——Could I borrow your camera?—— but please give it back by Saturday.A. I am sorryB. Of cou

问题补充：

——Could I borrow your camera?

——，but please give it back by Saturday.

A. I am sorry

B. Of course

C. Certainly not

D. No, thanks

答案：

A. I am sorry

(答案→)B. Of course

C. Certainly not

D. No, thanks

解析：I am sorry 抱歉；Of course当然了；Certainly not当然不了；No, thanks不，谢谢。句意：我能借你的照相机吗？——当然了，但是请在星期六之前还给我。英语情景交际回答时一般要遵从以下几个原则：礼貌原则，利他原则和英语文化习惯。结合语境可知选B。