Are these your brothers? A. Yes they reB. No they areC. Yes these areD. Yes they aren’

问题补充：

Are these your brothers?

A. Yes, they re

B. No, they are

C. Yes, these are

D. Yes, they aren’t

答案：

(答案→)A. Yes, they re

B. No, they are

C. Yes, these are

D. Yes, they aren’t

解析：本题是一般疑问句，回答的简短结构通常为yes或no，人称代词+引导词的相应形式，BD项回答意思自相矛盾，C项these不是人称代词，故选A。