The answer to the question is A. It wants me to write a long sentence even tho I don’t want to so I will repeat myself and say it is A
I think you could pick both B and D in this situation. You didn't include the passage so I have nothing to go on here except my little knowledge of the story from when I read it.
Answer:
What do you call a shoe make out of a banana?A slipper
C. By limiting the amount of coverage any one topic gets