I’d like to start my own business –that’s I’d do if I had the money.A. whyB. whenC. whichD

问题补充：

I’d like to start my own business –that’s I’d do if I had the money.

A. why

B. when

C. which

D. what

答案：

A. why

B. when

C. which

(答案→)D. what

解析： 四个选项分别表示为什么、什么时候、那一个和什么，这里关系代词为do的逻辑宾语，故选D，那是我有钱后要做的事。