—look,what have you done?—Sorry,I think if I _____ another chance,I'll do it better.

问题描述:

—look,what have you done?—Sorry,I think if I _____ another chance,I'll do it better.
A.give B.will be given C.will give D.am given 为什么不能选B

选D吧,这是if引导的条件状语从句,主将从现,从句用一般现在时,而且机会是被给的,用被动.
还有疑问可以继续追问的.