---Do you know ______? I'm going to see him.

---Sorry. I don't know.

1. A.
   where does Mr Li live
2. B.
   where did Mr Li live
3. C.
   where Mr Li lives
4. D.
   where Mr Li lived

  "Do you know____ ? I'm going to see him." "Sorry, I don't know."

A. where does Mr Li live　　　　B. where did Mr Li live

C. where Mr Li lives　　　　　　D. where Mr Li lived