问题：

[多选] A network administrator is configuring ACLs on a cisco router, to allow affic from hosts on networks 192.168.146.0,192.168.147.0,192.168.148.0 and 192.168.149.0 only.Which two ACL statements when combined are the best for accomplishing the task?（）

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 0.0.1.255
E . access-list 10 permit ip 192.168.148.0 0.0.1.255
F . access-list 10 permit ip 192.168.146.0 255.255.255.0