---Thank you very much.---A. Welcome!B. You are welcomeC. SureD. Of course

问题补充：

---Thank you very much.

---

A. Welcome!

B. You are welcome

C. Sure

D. Of course

答案：

A. Welcome!

(答案→)B. You are welcome

C. Sure

D. Of course

解析：

这题考查交际用语：问句是：非常感谢，答语应是：不用谢，所以选B。C、D都是“当然了”。