----Do you know anything new about the incident?----A working party to look into the problem.
问题描述：
----Do you know anything new about the incident?----A working party to look into the problem.
A.was set up B.has been set up C.has been setting up D.is setting up
为什么选B,请详解
答
----Do you know anything new about the incident?
----A working party _____ to look into the problem.
A.was set up B.has been set up C.has been setting up D.is setting up
选项是B
第一句的时态是【一般现在时】,选项B.has been set up是【现在完成时的被动语态】,现在完成时依然是【现在时态】.一个工作组要【被组建】,所以,选 B.