––– Could I use your phone for a moment? ––– . Help yourself.A. Take your timeB. Forget it

问题补充：

––– Could I use your phone for a moment?

––– . Help yourself.

A. Take your time

B. Forget it

C. By all means

D. Never mind

答案：

A. Take your time

B. Forget it

(答案→)C. By all means

D. Never mind

解析：考查交际用语。Take your time 别着急，Forget it 算了吧，By all means 当然可以，Never mind 不要紧，句意：我能用一下你的手机吗？当然可以，用吧。所以选C。