How did you get to know all about the accident?-----_____.

问题描述:

How did you get to know all about the accident?-----_____.
A.By myself
B.By the chance
C.By mistake
D.By accident
求详尽解析,求为什么!

D.By accident就是很意外的意思
这里面应该是考察accident的两个意思,问句里面是(交通)事故的意思,但是答句的短语是意外的意思By mistake By accident他们之间有什么区别呢???意思不一样By mistake 是错误地……By accident是意外地……