--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.
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。