Question

高中英语题，求高人解答

（ ）he was ill Iwas expected to take his place greatly surprise me,for I didn't have much work experience.
A.If B.If that C.That D.That if
望高人能写下详解
不好意思，开始是 was ill I was,忘空格了
那if当什么翻译

Answer 1

选择D
从句中套从句，That引导主语从句，if引导条件句
“如果他病了我就顶替他”这件事情是这个句子真正的主语

Answer 2

D 主句是That surprise me，里面是条件句

Answer 3

Maybe the answer is C.