F: Oh, man, I feel awful. I think I'm coming down with that flew everybody's been lately up with. Do you have it, too? ,M: No. I mean I probably look terrible because I stayed up all last night studying, but I should be fine after some sleep.
(A) F: No one got the flu lately and you should be fine. (B) F: Even though you studied late last night, you still look energetic today. (C) F: You shouldn't have studied so late last night, which is bad for your health. (D) F: I’m sorry, I don’t understand. Could you say it again?
C