Question

【题目】________is only when you nearly lose someone that you become fully conscious of how much you value him. （ ）
A.As
B.This
C.What
D.It

Answer 1

【答案】D
【解析】通过对句子结构的分析，此句只可能是强调句型；句意：仅仅当你几乎失去某人时，你才会完全明白你是怎样地看重他。根据句意，故选D。