— Is this your watch? — . A. Yes it isn’tB. No it isn’tC. Yes this isD. No it is

问题补充：

— Is this your watch?

— .

A. Yes, it isn’t

B. No, it isn’t

C. Yes, this is

D. No, it is

答案：

A. Yes, it isn’t

(答案→)B. No, it isn’t

C. Yes, this is

D. No, it is

解析：本题为一般疑问句，肯定回答用yes，人称代词+肯定结构，否定回答用no，人称代词+否定结构，C没有用人称代词，故不选，AD结构不正确，故本题选B。