单项选择题
A.S=192.168.1.1,3105;D=202.113.64.2,8080 B.S=59.67.148.3,5234;D=202.113.64.2,8080 C.S=192.168.1.1,3105;D=59.67.148.3,5234 D.S=59.67.148.3,5234;D=192.168.1.1,3105
A.S=202.112.15.1,3342 D=58.42.2.1,80 B.S=202.112.15.1,1524 D=58.42.2.1,80 C.S=10.0.1.1,3342 D=202.112.15.1,1524 D.S=58.42.2.1,80 D=10.0.1.1,3342