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 iii. And, how about you