it is only when you have met with a failure___how to correct your attitude

题目

it is only when you have met with a failure___how to correct your attitude
that you understand will you understand
why?

答案

正确答案应该是前者.首先这是一个强调句型,it is...that...;第二,只有当only when放在句首时才需要倒装,而这题并不是位于句首.