Not until you grow up _______ understand your parents.

问题描述:

Not until you grow up _______ understand your parents.
A.will you B.you will C.you won't D.will not you
选什么?为什么?

A
Not until放句首主句部分倒装,所以排除BC.
句子意思是直到你长大你才能理解父母,所以也排除了D.