如下设置时，GPONOLT网络侧会收到带____VLANTAG的上行报文FLEXMODESVLAN:VLAN=100（RBVLANSTACKM

如下设置时，GPONOLT网络侧会收到带____VLANTAG的上行报文FLEXMODESVLAN:VLAN=100(RBVLANSTACKMODE)SERVICE-FLOW:UNISIDEVLAN=200;NETWORKSIDEVLAN=300;客户侧发送VLAN=200的上行报文()

A.100:200

B.100:300

C.300:200

D.200:300