We hadnt 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 moment

B. for the moment

C. the moment when

D. at the moment when

答案：

A. the moment

B. for the moment

C. the moment when

D. at the moment when

解析：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。