问题
选择题
I don’t know how it ___________ that our car was bumped from behind.
A．let out
B．gave out
C．got about
D．came about
答案
答案：D
本题考查动词短语辨析。句意：我不知道是怎么回事：我们的车就被从后面撞了。
How does / did sth. come about? ( How did it come about that…….?)……是怎么回事？