“I don’t think it’s my _____ that the TV blew up. I just turned it on, that’s all,” said the boy.

A．matter

B．mistake

C．fault

D．duty

（）是指警冲标处靠非线路交会的一方。

A.警冲标内方

B.警冲标外方

C.信号机前方

D.信号机后方