问题补充：
— —They’re books.
A. Are these English books?
B. Are those English books?
C. How do you spell it?
D. What’re these in English?
答案：
A. Are these English books?
B. Are those English books?
C. How do you spell it?
(答案→)D. What’re these in English?
解析：句意：—它们是什么？—它们是书。根据答语They’re books.前面不可能是一般疑问句，排除A B. How do you spell it?意为：怎样拼写它?可排除C故选D
