—? —Theyre fine thank you.A. How are youB. Who are theyC. What are theyD. How are your

问题补充：

—? —They e fine, thank you.

A. How are you

B. Who are they

C. What are they

D. How are your mother and father

答案：

A. How are you

B. Who are they

C. What are they

(答案→)D. How are your mother and father

解析：句意：他们很好，谢谢。A你好吗？B他们是谁？C它们是什么？D你父母好吗？结合语境选D。