Which of the following contains a subject clause？A．It is a fact that he has done his best.
已帮助 人
Which of the following contains a subject clause？
A．It is a fact that he has done his best.
B．It is the best film that I have seen.
C．It is said that she has passed the exam.
D．It is Jack that will look after the old man.
请帮忙给出正确答案和分析，谢谢！
-
正确答案：C
句子成分题。选项[C]中句首的it是形式主语，真正的主语是that引导的主语从句，意思为“她已经通过了考试”，因此选项[C]为答案。选项[A]中that引导的是同位语从句，对afact的内容进行补充说明，意思为“他已经尽全力了”；选项[B]中that引导的是定语从句，修饰先行词thebestfilm，意思为“我所看过的”：选项[D]是强调句型，强调主语Jack，句意为“是杰克会照顾那位老人”。