— Must we move to the next room? 　

— No, you          . You may still live here if you like. [ ]

A. mustn't 　　

B. don't　　　

C. don't have to　　　

D. won't

— Would you like a glass of water?

— _____ . [ ]

A. Yes, I am afraid not.

B. No, don't give it to me.

C. No, not at all.

D. Yes, please.