单项选择题

Speaker A: Good to see you. You look more fit and better.
Speaker B:()

A. Thanks. I had a lot of exercise and drank vegetable juice every day.
B. Sorry. I don’ t think I am more fit. Actually, I caught a bad cold.
C. Yes. I’m much more fit. And you
D. I’m glad to see you too, though I’ m not much better that ever befor