I am sure you will do the work well __

题目

I am sure you will do the work well __
A.if you apply yourself B.if you applied yourself to it.C.if you apply yourself for it.
D.if you apply yourself it
求详解

答案

选:A.if you apply yourself (主将从现原则)
apply oneself (to sth.) 专心致志/全力以赴
句意:我确信,如果你全力以赴,你一定能把这个工作做好.
B时态不对,CD搭配不对.