-How long are you staying here?-____depends.

问题描述:

-How long are you staying here?-____depends.
A.Anything B.Everything C.It D.This

-How long are you staying here?-(C.It) depends.
你要在这里待多久?看情况吧.
It depends.意为“视情况而定”.习惯用it来作为主语.