We hadn't met for 20 years but I recognized her I saw her.A. the momentB. for the moment

问题补充：

We hadn met for 20 years, but I recognized her I saw her.A. the momentB. for the moment C. the moment whenD. at the moment when

答案：

定冠词the加上表示时间的名词起连词作用，引导时间状语从句。如the night/ the minute/ the spring/ the year等。