How did it     & Wap版

试题详情及答案解析

How did it that you made such a silly mistake?

A．bring about	B．come about
C．come across	D．come on

答案：B

试题分析：考查动词短语。bring about 引起，使掉头；come about产生，发生；come across（偶然）遇到，碰到；come on加油，快点，开始。句意为：--你做出这么愚蠢的决定，怎么会发生这种事儿呢？，故选B项。
考点 : 考查动词短语