---Excuse me are these your books?-Oh Yes They are. ---. ---Thank you very much.A Here

问题补充：

---Excuse me,are these your books?

---Oh,Yes,They are.

---.

---Thank you very much.

A Here you are B Here it is C Here are you D They’re here

答案：

解析：四个选项分别表示给你、这就是，CD不符英文语言习惯，根据题意选A.