单项选择题
A.network 192.100.10.50.0.0.3 area 0 network 192.1.0.1290.0.0.63 area 1 B.network 192.100.10.40.0.0.3 area 0 network 192.1.0.1280.0.0.63 area 1 C.network 192.100.10.5255.255.255.252 area 0 network 192.1.0.129255.255.255.192 area 1 D.network 192.100.10.4255.255.255.252 area 0 network 192.1.0.128255.255.255.192 area 1
A.R 192.168.1.0 [120/1] via 192.168.66.1,00:00:15, Ethernet0 B.R 192.168.5.0 [120/1] via 192.168.66.2,00:00:18, Serial C.R 192.168.5.0 [120/1] via 192.168.66.1,00:00:24, Serial D.R 192.168.65.0 [120/1] via 192.168.67.1,00:00:15, Ethernet0