M: What seems to be the matter? ,F: I just can't sleep well, doctor. ,M: I see. And how long have you had this problem? ,F: Oh, for about 2 weeks now. ,M: 2 weeks? Do you have headaches? ,F: Sometimes. ,M: Fever? ,F: No. ,M: Are you having any family problems? ,F: No, not really. We all get along pretty well. ,M: And how about work? ,F: Well, I've been working a lot lately. More than 11 hours a day.
(A) M: You have been having a high fever. That could be the reason you sleep badly. (B) M: What? You work over 13 hours a day? You have been working too hard. (C) M: I am afraid I did not quite catch what you were saying. Please repeat it. (D) M: You have been working too hard lately. Why don't you have a vacation?
D