She was glad to see her old mother well___.( )

问题描述:

She was glad to see her old mother well___.( )
A.take care of B.taken care of C.taking care of D.been taken care of
这句话的意思是:她很高兴看到她的母亲被照顾的很好.
那么是被动为什么不选D,

不存在从句,因此不能有两个动词(see,been)……