网络管理员是Cisco路由器上配置访问控制列表，允许来自只的网络192.168.146.0，192.168.147.0，192.168.148.0和192.168.149.0主机。哪个结合是最好的完成任务，当两个ACL语句？（）
- A access-list 10 permit ip 192.168.147.0 0.0.0.255.255
- B access-list 10 permit ip 192.168.149.0 0.0.0.255.255
- C access-list 10 permit ip 192.168.146.0 0.0.0.0.255
- D access-list 10 permit ip 192.168.146.0 0.0.0.1.255
- E access-list 10 permit ip 192.168.148.0 0.0.0.1.255
- F access-list 10 permit ip 192.168.146.0 255.255.255.0