路由器端口的IP地址为202.100.73.18／22，则该端口的网（)A.202.100.72.0B.202.100.128.0C.202.10

路由器端口的IP地址为202.100.73.18/22，则该端口的网()

A.202.100.72.0

B.202.100.128.0

C.202.100.70.0

D.202.100.73.0