－Having many helpers makes a task easier and faster to complete.

－I think so. ______. [ ]

A. Many hands make light work

B. Too many cooks spoil the broth

C. The early bird catch the worm

D. The more you learn, the more you know

Telnet服务引入了NVT的概念用来屏蔽不同计算机系统对 【14】 的差异性。