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

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：考查名词性从句。 由thats 可知，后面为表语从句，从句Id do 中缺少宾语，故选what