——They’re books.A. Are these English books? B. What’s this? C. What’re these ?

问题补充：

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—They’re books.

A. Are these English books? B. What’s this? C. What’re these ?

答案：

解析：句意：这些是什么？他们是书。根据答语可知，问句要用复数，并且是特殊疑问句，故选C。