【单选题】

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 before.