Question

Difficulty: MediumApplication and Analogy

In historical linguistics, the evolutionary trajectory of syntactic and morphological structures is frequently governed by cyclical processes of renewal and erosion, a phenomenon epitomized by what linguists term Jespersen’s Cycle. First systematically formulated by Otto Jespersen in the early twentieth century, this process delineates the tripartite lifecycle of grammatical markers—most notably negation—across diverse, unrelated language families.

The cycle typically initiates in an ancestral linguistic stage where a single preverbal particle serves as the sole marker of negation. Over successive generations of natural discourse, high frequency of use leads to phonetic attrition; the particle becomes unstressed, phonologically reduced, and semantically diluted. As its perceptual and rhetorical salience wanes, speakers intuitively perceive the degraded particle as insufficient to convey sharp negative force. To restore emphatic clarity, speakers begin appending an optional, nominal modifier or reinforcing substantive to the verbal predicate—often an item denoting a minimal quantity, such as a drop, a crumb, or a single stride.

In the second stage of the cycle, pragmatic convention solidifies this emphatic pairing into a standard syntactic requirement. The reinforcing item loses its independent lexical meaning through semantic bleaching; it no longer designates a tangible object or physical measure but instead functions strictly as a grammatical auxiliary. At this juncture, negation is obligatorily bipartite: the sentence requires both the phonetically diminished original particle and the newly grammaticalized postverbal element to be grammatically well-formed.

The final stage of the cycle arrives when the original preverbal marker undergoes total phonological decay and is permanently abandoned in colloquial speech. Consequently, the former reinforcing accessory—having evolved from an optional emphatic flourish into an obligatory partner—comes to stand alone as the primary, unmarked vehicle of negation. The cycle then reaches structural equilibrium, until centuries of subsequent phonetic erosion weaken this new marker in turn, precipitating the recruitment of a fresh auxiliary.

Which of the following scenarios is most analogous to the evolutionary progression of the negative marker described in the passage?

  1. A
    A municipal transit authority introduces a companion mobile application to assist commuters who find physical paper schedules confusing, but later abandons the app entirely after commuters request a return to updated, printed schedules.
  2. B
    A classical literature department requires students to annotate translated poetry using archaic syntactic conventions alongside modern analytical terms, though students gradually discontinue the archaic conventions without adopting any new explanatory terminology.
  3. A digital security platform initially authenticates logins via a primary alphanumeric password, subsequently introduces an optional secondary security code to bolster weakened passwords, eventually makes the secondary code mandatory alongside the password, and ultimately discontinues passwords altogether, relying solely on the secondary code for authentication.Answer
  4. D
    A commercial shipping enterprise installs auxiliary electric motors on its conventional cargo vessels to provide supplemental power during adverse weather, resulting in both the original combustion engines and the new electric motors permanently operating together as co-equal propulsion systems.
  5. E
    A manufacturing facility abruptly replaces its entire suite of manually operated assembly machinery with automated robotic arms overnight because the robotic units offer significantly lower operating costs, bypassing any transitional period of joint operation.

Answer

The scenario in which a digital security platform introduces an optional secondary code to bolster a weakened password, makes the code mandatory alongside the password, and ultimately replaces the password entirely with the secondary code.
The correct answer accurately mirrors the four distinct evolutionary stages outlined in the passage: an original primary tool (password) weakens in efficacy; an optional reinforcing element (secondary code) is added to restore strength; the reinforcement becomes standard and obligatory alongside the original (mandatory dual authentication); and the original tool is ultimately abandoned entirely, leaving the former auxiliary to serve as the sole primary mechanism.

Step-by-Step Solution

1
Abstract the structural stages of the grammatical cycle from the passage.
The passage outlines four consecutive relational stages: (1) an initial primary mechanism weakens in efficacy over time; (2) an optional auxiliary element is introduced to reinforce it; (3) the auxiliary element becomes obligatory alongside the weakened original mechanism (bipartite phase); and (4) the original mechanism is discarded entirely, leaving the former auxiliary as the sole primary mechanism.
Isolating the abstract relational template without domain-specific linguistic terminology is necessary to identify true structural parallelism.
2
Evaluate the candidate scenarios against the four-stage structural model.
The scenario describing login security matches all four sequential stages precisely: password weakening, optional secondary code reinforcement, mandatory dual-authentication pairing, and complete abandonment of passwords in favor of the secondary code alone.
Ensures the selected option mirrors the underlying dynamic rather than superficial topical features.
3
Verify and eliminate distractors by identifying relational mismatches and superficial topic lures.
The alternative options describe a failed auxiliary that is abandoned, a surface-level language example lacking the replacement mechanism, a permanent dual-system equilibrium, or an abrupt instantaneous substitution.
Confirms that only one option satisfies all structural constraints.

Key Concept

Analogous structural mapping of cyclical renewal and multi-stage replacement mechanisms
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