关于上面的display信息描述正确的是()。
[R1]display interface g0/0/0 GigabitEthernet0/0/0 current state:Administratively DOWN Line protocol current state:DOWN
[R1]display interface g0/0/0 GigabitEthernet0/0/0 current state:Administratively DOWN Line protocol current state:DOWN
A Gigabit Ethernet 0/0/0 接口连接了一条错误的线缆
B Gigabit Ethernet 0/0/0接口没有配置IP地址
C Gigabit Ethernet 0/0/0接口没有启用动态路由协议
D Gigabit Ethernet 0/0/0接口被管理员手动关闭了