一道高中英语单选题Let's hurry.The famous movie star is coming.

问题描述:

一道高中英语单选题Let's hurry.The famous movie star is coming.
-Let's hurry.The famous movie star is coming.
-Oh,really?I ___ afraid that we _____ him.
A.was;had already missed B am;have already missed
C.am;will miss D.was;was missing
为什么选A

快点,著名的电影明星就要到了
哦,真的吗?我还担心我们已经错过了.(这种担心是之前的,在没有知道明星就要到的消息之前,所以用过去式,错过这个动作,是担心原本以为这样,所以用过去完成时)不是虚拟语气?