Is that your watch？- . It’s his watch.A. Yes it is　　B. No it isn’t　　C. Yes it isn’t

问题补充：

--- Is that your watch？ --- . It’s his watch.

A. Yes，it is

B. No，it isn’t

C. Yes，it isn’t

D. No，it is

答案：

A. Yes，it is

(答案→)B. No，it isn’t

C. Yes，it isn’t

D. No，it is

解析：根据下文是他的手表，可知前文为否定形式，D前后矛盾，故选B。