—What’re these?—are desks.A. These B. They C. It

问题补充：

—What’re these?

—are desks.

A. These B. They C. It

答案：

解析：A. These这些B. They他/它们 C. It它；句意：这些是什么？它们使书桌。英语中回答these这些的问句都用they它们来回答，It指的是单数，故选B.