---May I try the shoes on?--- but I think they will be too small for you.A. As you likeB.

问题补充：

---May I try the shoes on?

---, but I think they will be too small for you.

A. As you like

B. It is a pleasure

C. By all means

D. Believe it or not

答案：

A. As you like

B. It is a pleasure

(答案→)C. By all means

D. Believe it or not

解析：考查交际用语：A. As you like随你喜欢，B. It is a pleasure没关系，C. By all means当然，D. Believe it or not信不信由你，句意：--我可以试穿一下鞋子吗？--当然，但是它们对你来说太小了。选C。