Your company has an Active Directory domain. All servers in the domain run Windows Server 2008. The Terminal Services Gateway （TS Gateway） role service is installed on a server named Server1. The Terminal Services role is installed on servers named Server2 and Server3. Server2 and Server3 are configured in a load balancing Terminal Server farm named TSLoad.  You install and configure the Terminal Services （TS） Session Broker service on a new server named Server4.  You need to configure Server2 and Server3 to join the TS Session Broker. What should you do next？（）

• A、Configure Server2 and Server3 to use the TS Gateway role service to access TS Session Broker.
• B、Create a new Group Policy object （GPO） that assigns Server4 to Server2 and Server3 as their session broker server. Apply the GPO to Server2 and Server3.
• C、Configure a Group Policy object （GPO） to set the Set TS Gateway server address option in the Terminal Services Security section to Server1. Apply the GPO to all client computers.
• D、Configure a Group Policy object （GPO） to set the Require secure RPC communications option in the Terminal Services Security section to False. Apply the GPO to Server2 and Server3.