M: John is certainly the funniest person in class. He can always make us laugh. ,F: Really? I think I still have to get used to his sense of humor.
(A) M: I’m sorry, I don’t understand. Could you say it again? (B) M: I'm happy that you really appreciate John's humor. (C) M: You can't appreciate John's humor? How things happened to you? (D) M: Why you don't have any sense of humor?
C