F: Well, good morning, Tom. I haven't seen you for a long time. What seems to be the trouble now? ,M: I feel very tired. I've got a bad headache, and I can't sleep well almost every night. ,F: Have you been eating properly? Eating the right kind of food is very important for your health, you know? ,M: Well, I haven't been eating too well, I guess. I have a lot of work to do, and I usually only have enough time to have a sandwich, and a cup of coffee for lunch. ,F: And what about dinner? ,M: Sometimes I'm too tired to eat anything at all. ,F: It's too bad, you must have a well balanced diet. But I think the most important thing for you to do right now, is to have a good rest. ,M: Yes, I agree.
(A) F: The most important thing for you is take enough exercise. (B) F: The most important thing for you is eat well, and the second one is rest well. (C) F: Please have a good rest. (D) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that?
C