单项选择题

Mary: Hello, John. How are you feeling now Somebody said you had been sick. John:__________

A.Hello, Mary. They must have had me confused with my brother, George. He has been sick all week. I have never felt better in my life.
B.Hello, Mary. Who’ s sick How can I be sick I’ m as strong as a horse. They must have gone mad.
C.Hello, Mary. How are you
D.Hello, Mary. I’ m quite happy. My wife has fallen ill. And, how about you