“You can’t judge a book by its cover,”        .

A．as the saying goes old

B．goes as the old saying

C．as the old saying goes

D．goes as old the saying

下面关于WindowsServer2003系统DHCP服务的说法错误的是（）。

A．DHCP服务器可以为多个网段的主机提供DHCP服务 

B．DHCP作用域中的IP地址必须是连续的 

C．在主机端需要进行DHCP客户端配置才能获取DHCP服务 

D．DHCP服务可以为待定主机保留IP地址