I was born at eleven -----the night of October 10,1987

问题描述:

I was born at eleven -----the night of October 10,1987
49.I was born at eleven-----------the night of October 10,1987.
(A) at (B) on (C) in (D) during
为什么选A不选B

应该是选B才对,具体时间用on我也选B,参考答案是A,难道答案错了肯定是B 具体时间不可能是用A的