---May I use your cellphone?
--- . We are good freinds
A. No trouble at all.
B. Of course you may
C. You are wele
D. It all depends
网友回答
A. No trouble at all.
(答案→)B. Of course you may
C. You are wele
D. It all depends
解析： A：不麻烦；B：当然你可以；C：不用谢；D：看情况而定。由We are good freinds可知, 对方同意说话者使用手机, 故B项正确。