-- Could you do me a favor and take the box up to the sixth floor?-. No problem at

问题补充：

---- Could you do me a favor and take the box up to the sixth floor?

---- . No problem at all.

A. With please

B. My pleasure

C. For pleasure

D. At your pleasure

答案：

(答案→)A. With please

B. My pleasure

C. For pleasure

D. At your pleasure

解析：句意：你能帮我一个忙，把箱子抬到六楼吗？非常乐意。没问题。A一般表示应答别人请求你做某事BMy pleasure意思是有机会帮助你是我的荣幸，通常帮人后，人家致谢才说。Cfor pleasure 为了取乐。