问题补充：
–How did it that you missed the bus ?
- I’m sorry I got up late.
A. come up
B. come about
C. come out
D. come on
答案：
A. come up
(答案→)B. come about
C. come out
D. come on
解析：短语辨析。A出现，走近；B产生，发生；C出版，发行；D加油；句意：—你怎么会错过公交车的？—对不起我起晚了。根据句意说明指错过公交车是怎么会发生的的。故B正确。
