—I’m sorry I forget to bring your e-dictionary?—That’s all right. .A. Don’t mention itB.

问题补充：

—I’m sorry I forget to bring your e-dictionary?

—That’s all right. .

A. Don’t mention it

B. You are welcome

C. Think nothing of it

D It’s nothing serious

答案：

解析：考查交际用语。Think nothing of it.意为“别想它了”。