Giventheoutputfromashowrouteextensivecommand（someinformationremoved）10.10.0.0\/16（2entries，1announced）Communities64512666904070583466172.16.0\/24（1entries，1announced）Communities6500016961234666507090172.16.20.0\/22（1entries，1announced）Communities655441000801001843114952192.168.33.64\/26（2entries，1announced）Communities1043079231107164512999Whichtworoutesappearwhenashowroutecommunity64512*commandisexecuted？（）
A.10.10.0.0\/16
B.172.16.0\/24
C.172.16.20.0\/22
D.192.168.33.64\/26
参考答案：AD
