The weather ____so bad,we had to put the sports meet off.

问题描述:

The weather ____so bad,we had to put the sports meet off.
A.was B.is C.be D.being
please explain

选d
是独立主格结构,从句与主语的主语不一致,从句得用独立主格
如果选b必须在两个句子之间加连词,如and ,so