In the conference room on the fifth floor,where a meeting 【】,som_英语解答

In the conference room on the fifth floor,where a meeting 【】,some students were busily
setting the table
A was to be held
B has been held
C wIll be held
D is being held
请问选什么以及为什么?

人气：191 ℃　时间：2019-10-19 13:47:06

解答

A was to be held
表示将要被举行,指会议还没开,因此学生们正在忙着摆桌子.