—Have you ever been to the Great Wall?

—  ____________.

A. Yes, never.               B. No, ever.                  

C. No, never.               D. Yes, I do.

—Have you ever been to the Great Wall?

—  ____________.

1. A.
   Yes, never.
2. B.
   No, ever.
3. C.
   No, never.
4. D.
   Yes, I do.