-- Could I use your computer for a few moments please?- . I’m not using it myself.A. C

问题补充：

-- Could I use your computer for a few moments, please?

--- . I’m not using it myself.

A. Come on

B. It depends

C. Go ahead

D. That’s great

答案：

A. Come on

B. It depends

(答案→)C. Go ahead

D. That’s great

解析：考查交际用语。Come on快点；It depends视情况而定；Go ahead去吧，用吧；. That’s great太好了。句意：请问，我可以用会你的电脑吗？用吧。我现在不用。所以选C。