In the exhibit， you decided to change myHosts addresses. [edit security policies] user@host# show from-zone Private to-zone External { policy MyTraffic { match { source-address myHosts； destination-address  ExtServers；application  [ junos-ftp junos-bgp ]； } then { permit { tunnel { ipsec-vpn vpnTunnel； } } } } } policy-rematch； What will happen to the new sessions matching the policy and in-progress sessions that hadalready matched the policy？（）

• A、New sessions will be evaluated. In-progress sessions will be re-evaluated.
• B、New sessions will be evaluated. All in-progress sessions will continue.
• C、New sessions will be evaluated. All in-progress sessions will be dropped.
• D、New sessions will halt until all in-progress sessions are re-evaluated. In-progress sessions will be re-evaluated and possibly dropped.