It was not until he took off his dark glass that I realize who he was.这句话如何翻译,是时间状语从句?

问题描述:

It was not until he took off his dark glass that I realize who he was.
这句话如何翻译,是时间状语从句?

直到他摘下墨镜,我才认出他是谁。

在他脱下眼镜之前我认出了他

当他摘下墨镜我才知道他是谁.