—I'm afraid that I can't finish the task as soon as planned.

—________. [ ]

A. Don't be afraid  

B. Don't mention it

C. I suppose so  

D. Take your time

源程序的文档化不包括( )。

A．符号名的命名要有实际意义

B．正确的文档形式

C．良好的视觉组织

D．正确的程序注释