－Are these your brothers?－A. Yes they’re.B. No they are.C. Yes they are.D. Yes these a

问题补充：

－Are these your brothers?

－

A. Yes, they’re.

B. No, they are.

C. Yes, they are.

D. Yes, these are.

答案：

A. Yes, they’re.

B. No, they are.

(答案→)C. Yes, they are.

D. Yes, these are.

解析：句意：这些是你的兄弟吗？是的，他们是。对一般问句的简略回答要做到前后一致，不可自相矛盾 。简略回答中，肯定回答不可用缩写形式。所以选C。