问题
选择题
I was so familiar with her that I recognized her voice ______ I picked up the phone.
A．the moment
B．after
C．before
D．while
答案
A。
名词短语the moment用作连词，相当于as soon as，引导时间状语从句，意为
“一……就”。类似用法的短语或词还有the minute, the instance, directly, immediately等。