对218.33.129.0/24、218.33.130.0/24、218.33.131.0/24、218.33.132.0/24和218.33.133.0/24这5条路由进行路由汇聚，能覆盖这5条路由的IP地址是 (49) 。

A．access-list 115 deny ftp 192.168.45.2 255.0.0.0 201.16.7.224 0.0.0.255 eq 21
B．access-list 115 deny top 192.168.45.2 255.0.0.0 201.16.7.224 0.0.0.255 eq 20
C．access-list 115 deny udp host 192.168.45.2 201.16.7.224 0.0.0.255 eq 21
D．access-list 115 deny tcp 192.168.45.2 0.0.0.255 host 201.16.7.224 eq 21