单项选择题
A.access-list 15 deny telnet any 192.168.10.0 0.0.0.255 eq 23
B.access-listl 15 deny udp any 192.168.10.0 eq telnet
C.access-list 1 15 deny tcp any 192.168.10.0 0.0.0.255 eq 23
D.access-list 15 deny udp any 192.168.10.0 255.255.255.0 eq 23