----May I use your mobile phone?----A. why not?B. OK enjoy yourself.C. Go ahea

问题补充：

------- May I use your mobile phone?

---------

A. why not?

B. OK, enjoy yourself.

C. Go ahead.

D. Yes, but you’d better not.

答案：

A. why not?

B. OK, enjoy yourself.

(答案→)C. Go ahead.

D. Yes, but you’d better not.

解析：考查交际用语。A为什么不？（同意对方的建议）B玩的开心点。C去拿吧！D你最好不要这样。句意：—我可以用你的手机吗？—去拿吧！