假设路由表有如下4个表项
A.220.117.145.32/22
B.220.117.145.64/22
C.220.117.147.64/22
D.220.117.177.64/22,那么与地址220.117.179.92匹配的表项是___
A220.117.145.32
B220.117.145.64
C220.117.147.64
D220.117.177.64
A220.117.145.32
B220.117.145.64
C220.117.147.64
D220.117.177.64