【单选题】

Cisco路由器执行show access-list命令显示如下一组信息

　　Standard IP access list block
　　deny 10.0.0.0, wildcardbits 0.255.255.255 log
　　deny 172.16.0.0, wildcard bits 0.15.255.255
　　permit any
　　根据上述信息，正确的access-list配置是
A、Router (config) #access-list standard block
Router (config-std-nacl) #deny 10.0.0.0 255.0.0.0 log
　 　Router (config-std-nacl) #deny 172.16.0.0 255.240.0.0
　 　Router (config-std-nacl) #permit any
B、Router (config) #ip access-list standard block
Router (config-std-nacl) #permit any
　 　Router (config-std-nacl) #deny 10.0.0.0 0.255.255.255 log
Router (config-std-nacl) #deny 172.16.0.0 0.15.255.255
C、Router (config) #ip access-list standard block
　 　Router (config-std-nacl) #deny 10.0.0.0 255.0.0.0 log
　 　Router (config-std-nacl) #deny 172.16.0.0 255.240.0.0
　 　Router (config-std-nacl) #permit any
D、Router (config) #ip access-list standard block
Router (config-std-nacl) #deny 10.0.0.0 0.255.255.255 log
　 　Router (config-std-nacl) #deny 172.16.0.0 0.15.255.255
Router (config-std-nacl) #permit any