—Excuse me. Where is the post office?

—______. [ ]

A. I'm sorry, I don't know.      

B. Yes, there is. It's on Center Street.

C. No, there isn't.            

D. The bank is next to the pay phone.

　　结合课文《走一步，再走一步》思考：假如“我”的父亲没有来，你作为“我”的同学，将怎么办？请说说你的主意，伸出你的手。

示例：我会牵着他的手，鼓励、陪伴他一步步走下悬崖。

我会： _______________________________