高中英语单选,给出理由,

题目

高中英语单选,给出理由,
That's an unpleasant thing to say about your father after ____ he's done for you.
A.something B.anything C.all D.that
我跟二楼的想法一致,但觉得五楼说得也有道理.
请接下来发言的专家们解答得详细点,

答案

c he's done for you修饰all
另外,也可是是：after what he's done for you
after all that he's done for you
这都是正确的