-- Are these pens ?-Yes .A. these areB. they areC. there areD. they’re

问题补充：

-- Are these pens ? ---Yes, .

A. these are

B. they are

C. there are

D. they’re

答案：

A. these are

(答案→)B. they are

C. there are

D. they’re

解析：一般疑问句的肯定形式的简短回答结构为yes，人称代词+引导词，本题的人称

代词时代替第三人称复数，故用they，引导词是be动词，故用are，故选B。