She didn't come to the party last Sunday._____,she must have made_英语解答

She didn't come to the party last Sunday._____,she must have made the party more excing.
A.If she came B.Had she come
选哪个?理由?

人气：433 ℃　时间：2019-08-26 07:15:15

解答

B
很明显这是个虚拟语句
因为这是对过去的虚拟,所以用过去完成事态