Cina overslept this morning because her alarm clock didn't _____A_英语解答

Cina overslept this morning because her alarm clock didn't _____A.run off B set off C turn off D.go off ________选那一个答案.请赐教.

人气：116 ℃　时间：2019-12-06 20:45:16

解答

只能是b
a是流失的意思.
c是关掉
d是离开,变质等.
set off有引起,点燃等意思,比如引起爆炸什么的,所以应该比较合适