I would say work ethic because that shows how much they’re willing to work for something and it really reveals their character. If they have low work ethic they probably don’t/won’t do anything and that’s not someone you want to be around.
c. because answer A is irrelevant because the piece of evidence is about how to count not about rocks. Answer B is also irrelevant because there is no proof that wind-wolf was forced to work instead of helping out. answer D has nothing to do with any of it because the evidence is about counting not that he is unhappy or wants to learn differently.
