Are these your parents? Yes .A. they’reB. there areC. those areD. they are

问题补充：

Are these your parents? Yes, .

A. they’re

B. there are

C. those are

D. they are

答案：

A. they’re

B. there are

C. those are

(答案→)D. they are

解析：一般疑问句通常用人称代词加引导词来简短回答，不可以缩写，故选D。