单项选择题

某局域网的Internet接入拓扑图如图8-5所示。在路由器Router上定义一条到达Internet网的默认路由,完成此任务的配置语句是()

A.ip route 192.168.0.0 255.255.255.0 61.235.1.1
B.ip route 192.168.0.0 255.255.255.0 s0/0
C.ip route 0.0.0.0 0.0.0.0 61.235.1.1
D.ip route 0.0.0.0 0.0.0.0 s0/1