M: I've been thinking about joining a health club myself. My doctor has been encouraging me to get more exercise. Which club do you belong to? W: It's called the Good-life Health Club. I've only been going since Jan., but I've already noticed a big improvement. I feel like a new person. M: Really? What do you do there? W: They have a gym with exercise equipment and an indoor pool. I usually start by working out for about half an hour. Then I take a swim. After exercising, the water feels great. M: That sounds good. But aren't you afraid of over-working yourself? W: No, no. Everything is carefully controlled and supervised. If you're interested in seeing for yourself, I'm going again on Tuesday. Why don't you come along as my guest? You'll enjoy yourself. M: That's a good idea. Thanks. I just might., Question: What did the doctor suggest the man do? (A) Take more exercise. (B) Have some rest. (C) Join a club.
(A) Take more exercise.