—Dad, I'm not sleeping well these days.    

—_____.    

—OK, I'll do that.[ ]

A. That sounds like a good idea  

B. Really? You should go to see the doctor

C. I really want to win the prize      

D. I am glad to hear that

可用来发布规章的文件有（）。

A.命令

B.决定

C.通知

D.通告