D
as if 可用于省略句中如果as if 引导的从句是“主语+系动词”结构,可省略主语和系动词,这样as if 后就只剩下名词、不定式、形容词(短语)、介词短语或分词.
如:He acts as if (he were) a fool. 他做事像个傻子.
Tom raised his hands as if (he was going) to say something. 汤姆举起手好像要说什么.
She left the room hurriedly as if (she was)angry. 她匆忙离开房间好像生气的样子.
这里你所给的题目就是第三种情况