单选题Which action occurs when the BGP route 20.1.0.0/16 is evaluated by the policy expression？（） [editpolicy-options] policy-statementreject_10 { from{ route-filter20.1.0.0/16orlongerM } then{ communityadd 90-1； accept }} policy-statementaccept_20
题目
单选题
Which action occurs when the BGP route 20.1.0.0/16 is evaluated by the policy expression？（） [editpolicy-options] policy-statementreject_10 { from{ route-filter20.1.0.0/16orlongerM } then{ communityadd 90-1； accept }} policy-statementaccept_20 { from{ route-filter20.1.0.0/16orlongerM } then{ communityadd 100-1； reject； } } community100-1 members 100：1； community90-1 members 90：1 [editprotocols] bgp{ groupebgp-group { neighbor172.16.201.1 { export（reject-10 && accept-20）； }}}
A
The route is not announced.
B
The route is announced with 90：1 added.
C
The route is announced with 100：1 added.
D
The route is announced with communities 90：1 and 100：1 added.