Passage
Arthur adjusted his glasses, carefully unfolding the letters of the nineteenth-century botanists Clara Vance and Silas Thorne. The early correspondence from 1872 was formal, filled with detailed lists of fern specimens and rigid scientific debate. Silas wrote with detached precision, while Clara’s letters were brief, almost businesslike. By 1875, however, the tone shifted. The letters were no longer addressed to 'Dr. Thorne' and 'Miss Vance,' but to 'My Dear Friend' and 'Dearest Clara.' Silas’s hand, once neat and sparse, now overflowed into the margins with descriptions of the sunset over the Yorkshire moors, interspersed with hasty postscripts about new orchid varieties. Clara’s responses, though still concise, began to include small sketches of the specimens she described—a habit she had previously dismissed as unscientific. In the final folder, dated 1878, the scientific inquiries had vanished entirely, replaced by shared travel itineraries and plans for a joint laboratory in London. Arthur smiled, realizing that their partnership had grown far beyond the boundaries of botany, even as their published papers from that era remained strictly professional.
Question
Based on the passage, match each set of letters to the implicit relationship or attitude between Clara and Silas that they reveal.
- The 1872 lettersA formal, strictly professional connection with significant emotional distance
- Silas's letters in 1875An increasing warmth and interest in sharing non-scientific, personal observations
- Clara's letters in 1875A gradual softening of rigid, strictly scientific communication standards
- The 1878 lettersA complete integration of personal lives and shared future plans