I don’t know what kind of pet .A. gettingB. to get itC. should I getD. I should get

问题补充：

I don’t know what kind of pet .

A. getting

B. to get it

C. should I get

D. I should get

答案：

A. getting

B. to get it

C. should I get

(答案→)D. I should get

解析：本题的含义是我不知道我该买什么种类的宠物，know后跟的是一个宾语从句，要用正常的陈述顺序，故选D。