M: What's up? You look down. ,F: I've got piles of papers to type, but I type so slowly. ,M: Come on, what are friends for? I can do it for you. ,F: Really? How kind you are to help me out.
(A) M: You don't look down, do you mean you are encouraged? (B) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (C) M: You can just appreciate the offer, because we are friends. (D) M: Since you can type very fast, why do you imply that you need a friend?
C