A、Restaurant owner and customer. B、Teacher and student. C、Husband and wife. D、Doctor and patient. D

W: Well, good morning, Jack. I haven’t seen you for a long time.
M: I have been feeling pretty well until just last few days.
W: What seems to be the trouble now?
M: I feel run down, tired, I’ve been having headaches almost every day, and I’m not getting as much sleep as I usually do.
W: Have you been eating properly? Eating the right kind of food is important for your health, you know.
M: Well, I haven’t been eating too well, I guess. I usually only have enough time to grab a sandwich and a cup of coffee for lunch.
W: And what about dinner?
M: Sometimes I’m too tired to eat anything at all.
W. That’s not good. It’s necessary to have a well-balanced diet. Have you been taking vitamin pills?
M: I don’t like to take any medicine at all without talking it over with the doctor first.
W: That’s very sensible of you. How are things going at work?
M: Oh, pretty well. I’ve been promoted. So I have a lot of new responsibilities. We’ve had a lot of urgent projects, so it’s been necessary for me to work late almost every night.
W: Working late and worrying aren’t very good for you. It’s important for you to eat properly and to get enough sleep.
M: But what can I do? I can’t just quit my job.
W: No, you can’t do that. First of all, you should take a multiple-vitamin pill with minerals, and you have to be careful about eating. It’s important to take the time to eat three good meals a day, and it’s even more important for you to get some exercise. Getting some exercise will help you to sleep better.
M: Yes, I suppose so. I have been thinking about taking up jogging. Maybe I’ll try to do that this weekend.