It was several years __I finally realized __Jhon had lied to me.A before ,that Buntil ,why 选哪,
问题描述：
It was several years __I finally realized __Jhon had lied to me.A before ,that Buntil ,why 选哪,
答
选择A,
It was 时间段 before 句子,在某事发生前过了多长时间,一般我们翻译成：过了多长时间才发生某事.第二空两个都能填的.关键是第一个空的选择.
until用在肯定句中表示：某个动作一直延续到某个时间才结束,这句是我过了几年,才开始意识到,是表示动作才开始,不是结束.所以第二个不能选.