He dressed up and went to the party as if ______.

问题描述:

He dressed up and went to the party as if ______.
A.was invited B.had been invited C.invited D.to be invited
这道题为什么选C,而不选B

如果省略,就要把除过去分词的主语和谓语都省略.
要选C,应是 (he had been 被省略了)invited