单项选择题

W: What are you going to order
M: I’d like a salad and a cup of coffee.
W: Oh, just a salad and a cup of coffee. Is that all you want Why not try some other food
M: Yes, to tell you the truth: I’m going on a diet, my doctor told me that I should lose some weight because I’m too heavy and that’s not healthy.
W: How do you feel now
M: I feel fine. In fact, I’ve never felt better. And what’s more, some of my old clothes would fit me if I lost about 50 pounds.
W: How long will that take you
M: Well, I’ve just started my diet, so it may take me six months to get down to my proper weight.
W: Do you plan to eat nothing but salads for six months
M: Surely not. I’ll be able to eat fruits and certain meat and dairy products, but most important, I should never eat anything between meals and I should not eat anything containing sugar.
W: Then you probably won’t want to try the delicious hamburger they serve here. I happen to know that the head cook is an excellent hamburger chef.
M: Now that you mention it, I may have two or three of these delicious hot rolls. I usually have five or six.

Which of the following will most likely happen to the man on diet()

A. He will lose weight quickly
B. He will lose some weight during his diet
C. He will gain weight during the next few months
D. His weight will remain unchanged