问题
选择题
Though the girl had been suffering from the blood disease, she acted as if nothing____ to her while facing her friends and relation.
A．happened
B．would happen
C．was happened
D．had happened
答案
答案：D
题目分析：通过分析句子结构，可知as if引导了一个方式状语从句，表示与过去的事实相反，状语从句中要用过去完成时。
点评：在as if, as though 引导的从句中，如果谈论的是不可能或不真实的情况时，它们所引导的表示虚拟性比喻或方式的状语从句要用虚拟语气。动词形式和 wish后面的从句中动词形式的变化相同。