— Could you do me a favour?— It depends on __________ it is.
A. which B. whichever C. what D. whatever
— Could you do me a favour?— It depends on __________ it is.
A. which B. whichever C. what D. whatever
C。
what在此导宾语从句,what在宾语从句中用作表语,句意为:这要看是什么(即这要看你要我帮什么忙)。