I believe the answer is going to be future progressive but without the bold word I can't say I am 100% sure.
I think it should be D also, but I would have to read both of those books, poems, or fable. I looked up both of the books and it seems i little bit like it should be D. Just please don't take my word for it being 100% correct. ¯\_(ツ)_/¯
Answer:
Coupling
Explanation:
two or more things doing something the same
Answer: The athletes often completed in unsafe places
Explanation: