It is a bit far from the church, so we have to set off at（）（黎明） in order not to be late for Tom and Lily’swedding ceremony.

It is a bit far from the church, so we have to set off at（）（黎明） in order not to be late for Tom and Lily’swedding ceremony.
A.down
B.dawn
C.dusk
D.dust
正确答案：dawn