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Difficulty: MediumEliminating Redundancy

In the damp temperate rainforests of the Pacific Northwest, certain species of fungi emit a soft, greenish glow at night. These bioluminescent mushrooms light up brightly during nighttime hours, illuminating the dark forest floor to attract spore-dispersing insects.

Which choice produces the most concise and grammatically correct sentence by eliminating redundancy in the underlined portion?

  1. A
    These bioluminescent mushrooms light up brightly during nighttime hours, illuminating
  2. B
    Because these mushrooms, which illuminate
  3. These mushrooms illuminateAnswer
  4. D
    These mushrooms glow, they illuminate

Answer

The option reading 'These mushrooms illuminate' is correct because it concisely conveys the intended meaning without repeating information or introducing grammatical errors.
The choice reading 'These mushrooms illuminate' directly provides the subject and verb needed for the clause without repeating details about nocturnal glowing that were already established in the sentence. It is clear, concise, and grammatically sound.

Step-by-Step Solution

1
Identify redundant elements in the context.
The preceding sentence already states that the fungi 'emit a soft, greenish glow at night'. Descriptive terms in the underlined portion like 'bioluminescent', 'light up brightly', and 'during nighttime hours' repeat this exact information.
Standard assessment writing guidelines require eliminating words that duplicate meaning already expressed in adjacent context.
2
Evaluate the remaining options for conciseness and proper grammatical structure.
The choice reading 'These mushrooms illuminate' removes all repetitive phrasing while forming a grammatically complete subject and verb that connects smoothly to the rest of the sentence.
The correct answer must solve the redundancy issue without introducing new grammatical errors such as fragments or comma splices.

Key Concept

Eliminating Redundancy
Estimated Time:45s
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Topics

Eliminating Redundancy

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