I was late for school today,because_____alarm didn’t go off this _英语解答

I was late for school today,because_____alarm didn’t go off this morning.
A.a
B.an
C.the
D./

人气：127 ℃　时间：2019-12-19 12:43:17

解答

C
the alarm 闹钟
特指自己的那个闹钟,用定冠词
翻译：我今天上学迟到了,因为闹钟早上没响.