【题目】He was left out when they ______ choosing a new manager, which came as a complete surprise to him.
A. set out B. set about
C. set off D. set up
在线课程【答案】B
【解析】
试题考查词组辨析：set about出发，开始后面接动名词，set off出发，引发，， set out出发，开始+to do，set up建立，句意是;当他们开始选一个新经理时，他被遗漏了，这时他很惊讶。根据用法可知选B项。
考点 : 考查词组辨析