That is describing what the character does so it is C. It couldn't be A because it isn't a part of the story. It couldn't be B because it isn't a problem. It lastly couldn't be D because it's not a message the author is trying to convey to the reader.
Answer:
2, it's the best option out of all of them. If I had a choice though I would say 8 is the best.
The answer you're looking for is c.