—that your computer?—Yes it is. A. DoesB. IsC. AreD. Do

问题补充：

—that your computer?

—Yes, it is.

A. Does

B. Is

C. Are

D. Do

答案：

A. Does

(答案→)B. Is

C. Are

D. Do

解析：根据答语，it is可知，上面的一般疑问句应该是be动词is，因为只有回答is时才会用它回答。所以本题选B。