Question

-It’s reported that a 40-year-old driver hit a primary school student while talking on the mobile phone this morning.

-That’s a serious problem. These years, many traffic accidents _____ the “heads-down driving.”

A. because of B. lead to

C.are caused by D. have caused from

Answer 1

C

【解析】

试题分析：句意：—据说今天早上一名40岁的司机打手机时撞到了一个小学生。—那是一个很严重的问题。这些年，许多交通事故都是由“低头驾驶”造成的。主语是被执行者，故用被动语态。故选C。

考点：考查被动语态的用法。