our next meeting___on 1st December

问题描述:

our next meeting___on 1st December
a.has been held
b.will hold
c.is to be held
d.is holding
为什么
其他为什么不可以,B为什么不可以

our next meeting___on 1st December
c.is to be held
将要被举办
=will be held
将来时,被动
B 应该是will be held
少了被动