lt is not until your( ) friend that () to realize how precious friendship is

题目

lt is not until your( ) friend that () to realize how precious friendship is
A have you lost you come B have you lost do you come
Cyou have lost do you come D you have lost you come 选哪个额

答案

it's not until you ve lost ur friend do u come to realize how precious friendship is
not until 引导的时间状语倒装句与it is ..that 强调句的结合句式,意为“不失去朋友你就不知友情之珍贵”
not until后的主句不倒装,接在后面的从句要倒装,所以答案如上