问题补充:
Her dog ran out of the yard the old lady opened the gate .
A. moment
B. a moment
C. the moment
D. that moment
答案:
A. moment
B. a moment
(答案→)C. the moment
D. that moment
解析:短语辨析。moment 瞬间,重要时刻; a moment 片刻,一会儿; the moment 立刻,马上,一……就; that moment那一刻。句意: 当那位老人一打开门,她的小狗就跑出了院子。本句中the moment一......就......”,引导时间状语从句,故选C。