Question

【题目】—What has made him upset recently?

—________ alone to face the troublesome case.

A. Left B. Being left

C. Having left D. To leave

Answer 1

【答案】B

【解析】

试题分析：考查非谓语动词。句意：是什么让他最近那么不高兴？一个人独自面对这件麻烦事。这句话是一个省略句，答语部分其实是句子的主语，这句话完整的形式是：Being left alone to face a troublesome milk case has made him upset recently.，故选B项。