Alexandre Dumas wrote "The Three Musketeers".
It reveals why Jekyll looked so sad and would not join the men.
C. is the correct answer.
C is the only answer choice that refers to the future ("a sign, he said, a sign"). The rest of the answers refer to things happening in the present in the story, with almost no reference to the future of the plot.
Answer:
The main or central idea in a story is that story's theme
