Your company has an Active Directory Domain Services (AD DS) domain . All servers run Windows Server 2008. You install Remote Desktop role services on servers as shown in the following table. Server name Role service Server1 RD Session Host Server2 RD Web Access Server3 RD Session Broker You need to present a RemoteApp program by using Remote Desktop Web Access (RD Web Access). What should you do?（）

• A、Add Server1 to the Session Broker security group on Server3.
• B、Add Server2 to the Session Broker security group on Server3.
• C、Add Server1 to the TS Web Access Administrators security group on Server2.
• D、Add Server2 to the TS Web Access security group on Server1.