A). "Perhaps the most difficult thing to come to terms with is the scale of death."
Explanation:
The central idea is illustrated as the main idea that the author wishes to convey through a particular text. It is the idea that reflects the theme of the work and binds all the elements of a text together and come together as a whole to display the dominant idea.
As per the question, the sentence that best reflects the central idea of the paragraph is displayed through options A and that is 'the most difficult thing to deal with is the scale of death'. <em>It mirrors the dominant idea that surrounds the paragraph as reflected by the description of 'Influenza', 'Elizabethan flu', and 'death rates leading to 7.2 percent as compared to 2.5 percent normally.</em> Thus, <u>option A</u> is the correct answer.
I think the reader can infer that Sylvia is a little bit afraid of the hunters gun but is still drawn to even over her fear her womanly instincts take over. Hope this helps:)