求文档:_______ a satisfactory operation,the patient recovered f
求文档:_______ a satisfactory operation,the patient recovered from illness very quickly . A.Having been given B.Having given C.Giving D.Being given 昨天高考我选着A最后又改成了B 结果B对了 郁闷啊 A那个不是有谓语been了吗?这里考的不是非谓语动词吗?老是和我们说的是主句是过去时从句往前推一个时态就是had given