That sounds like Alice in Wonderland I don't think it's a story, just made up for a textbook, but the answer is A.
Mice is plural....plural is more than one
The central conflict and its resolution in "To Build a Fire" is:
c. The man is in conflict with the extreme weather; the conflict ends when the man freezes to death.
Even though the man had conflicts with other characters in the short story, their conflicts arise from the central conflict of man needing to learn how to build a fire in order to keep warm amidst the extremely cold weather.
Describe a time when... would be the answer, you aren't giving an opinion