问题
Tom, could you tell me _______ this morning–Sorry, Mr. Black. My alarm clock didn’t go off and I missed the train.
A:why you arrived late for school
B:how did you get to school
C:when do you get to the station
D:where was your alarm clock;
B:how did you get to school
C:when do you get to the station
D:where was your alarm clock;
正确答案是：
