—Long time no see. —Very well and you?A. How do you do?B. Oh really?C. How are you doing?

问题补充：

—Long time no see.

—Very well, and you?

A. How do you do?

B. Oh really?

C. How are you doing?

D. What about you?

答案：

A. How do you do?

B. Oh really?

(答案→)C. How are you doing?

D. What about you?

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