--May I use your cellphone?---. We are good freindsA. No trouble at all.B. Of course you m

问题补充：

--May I use your cellphone?

---. We are good freinds

A. No trouble at all.

B. Of course you may

C. You are welcome

D. It all depends

答案：

A. No trouble at all.

B. Of course you may

C. You are welcome

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。