. — Would you mind my using your telephone? —A. Yes go aheadB. Of course not go ahead C.

问题补充：

. — Would you mind my using your telephone?

—

A. Yes, go ahead

B. Of course not, go ahead

C. Of course, help yourself

D. No, you can’t

答案：

A. Yes, go ahead

(答案→)B. Of course not, go ahead

C. Of course, help yourself

D. No, you can’t

解析：根据句意“你介意我用你的电话吗？” “当然不介意。你用吧。”所以答案B。