I believe it's C ..... I think
The last sentence certainly sums up the rest of the contents. I think you ought to choose the second answer.
Answer: a summary is practically the main part of the story into one paragraph what answer choices did they give you?
Explanation:
I would say A. diction is concerned with the word choice within a work, and A is the only answer that focuses on that. B and C discuss places within the story, like the conflict and the climax, and plot structure and diction aren't exactly directly related. D discusses character development, which doesn't relate as closely to diction as choice A.