The noise of _______could be heard out in the street.A desks' being opened and closed B desks being opened and closed 为什么不选A

问题描述:

The noise of _______could be heard out in the street.
A desks' being opened and closed B desks being opened and closed 为什么不选A

being opened and closed 是分词短语作后置定语的,修饰desks ,并非所有关系