A BGP router has the following configuration：  protocols{  bgp{  export[policy-1 policy-2 policy-3]；  }}  policy-options{  policy-statementpolicy-2 {  termget-statics{  fromprotocol static；  thenaccept；  }  termreject-all {  thenreject；  }  }  policy-statementpolicy-1 {  termget-aggregate {  fromprotocol aggregate；  thenaccept；  }  termreject-all {  thenreject；  }  }  policy-statementpolicy-3 {  termget-ospf {  fromprotocol ospf；  thenaccept；  }  termreject-all {  thenreject；  }  }  }   Which policy term is evaluated first when exporting routes？（）

• A、get-ospf
• B、reject-all
• C、get-statics
• D、get-aggregate