－Why didn’t Tom give you one of his paintings?－I didn’t want one but he would have given m

问题补充：

－Why didn’t Tom give you one of his paintings?

－I didn’t want one，but he would have given me one if I.

A. did

B. would

C. will

D. had

答案：

A. did

B. would

C. will

D. had

解析：

由题意可以得知，回答中用到了虚拟语气，是与过去的事实相反，补全句子应该是he would have given me one if I had wanted one.