——They’re books.A. Are these English books?B. Are those English books?C.What’re these in E

问题补充：

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—They’re books.

A. Are these English books?

B. Are those English books?

C.What’re these in English?

答案：

解析：通过答语They’re books（它们是书）可以看出，上句应该问它们是什么，然后才会有这样的回答。而AB两个选项都是一般疑问句，需要用Yes和No来回答。所以本题选C。