So many people___,the meeting had to be put off.选B

问题描述:

So many people___,the meeting had to be put off.选B
A were absent B being absent Cbeen absent D had been absent 为什么不能选A 这是一个什么成分

B本题考查非谓语动词.不能选A的原因是从句没引导词,如改成:Because/As so many people were absent,the meeting had to be put off.就可以了.So many people being absent为独立主格结构,非谓语动词作状语时要求其...