Could you do me a favour?- It depends on it is.A. whichB. whicheverC. whatD. whate

问题补充：

--- Could you do me a favour?

--- It depends on it is.

A. which

B. whichever

C. what

D. whatever

答案：

A. which

B. whichever

(答案→)C. what

D. whatever

解析：主要测试宾语从句。由句子语境可知介词on缺少宾语，另外句子it is缺少表语，所以双重作用还应该选择what引导词。句子意思：------能帮我个忙吗？--------那要看是什么忙。