M: I'm on a diet these days. I eat only fruit and vegetables, no meat. ,F: I prefer to eat whatever I want, and then exercise regularly to keep fit. ,M: But I don't have time to exercise.
(A) F: I do exercise regularly to keep fit. (B) F: I keep slim by eating fruits and vegetables. I don't do exercise at all. (C) F: I keep slim by going on a diet. I don't do exercise. (D) F: I am afraid I did not quite catch what you were saying. Please repeat it.
A