一题英语单项选择求解!英语单项选择 语法

题目

一题英语单项选择求解!英语单项选择 语法
Had it been possible,I would have have gone to attend Monica in the hospital,but I ( ) fully
occupied last month.
A.had been
B.was
C.am
D.have been
问题主要是在A、D项

答案

亲,选B.我分析如下：首先你要知道这题的考点是虚拟从句,S+had…,sb would have done 是对过去发生的事实进行虚拟的,“（如果可能,我便参加了……,）但是我上个月都在忙”,明显在（……）中的事不是真的,是虚拟,符合...