The wrong you have done him is terrible I think you should make an apology to himA. wh

问题补充：

The wrong you have done him is terrible, I think, you should make an apology to him．

A. which

B. what

C. that

D. for which

答案：

A. which

B. what

C. that

(答案→)D. for which

解析：考查非限制性定语从句。Which指代先行词the wrong在句中做介词for的宾语。Make an apology to sb for sth因为某事向某人道歉。句意：你对他坐的错事真是太糟糕了。我认为你应该因此向他道歉。