(一) 根据各组对话内容，从下面方框里提供的5个选项中选出能填入空白处的最佳选项。并

问题：

(一) 根据各组对话内容，从下面方框里提供的5个选项中选出能填入空白处的最佳选项。并将该选项前的字母填在答题卡相应的位置上

A.I’m sorry to have kept you waiting for so long.

B：（）I’ve been killing time by listening to music.

A．Sure. What is it

B．It’s very nice of you to say so.

C．It’s nothing.

D．Have a nice trip!

E．Certainly. Here you are.