We hadn't 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
网友回答
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。