Your company has an Active Directory Domain Services (AD DS) domain. You install the Remote Desktop Session Host (RD Session Host) role service on a server that runs Windows Server 2008 R2. All RD Session Host servers are located in an Organizational Unit (OU) named RDSessionHosts. All user accounts are located in an OU named Employees. Users connect to multiple RD Session Host servers by using the Remote Desktop Connection client on their Windows 7 client computers. You need to ensure that users can access the files stored in their own Documents folders regardless of the RD Session Host server to which they are connected. What should you do?（）

A. Create a mandatory profile on each client computer.
B. Create a mandatory profile on each RD Session Host server.
Create a Group Policy object (GPO) that redirects the Documents folder, and link the GPO to the Employees O
D. Create a Group Policy object (GPO) that redirects the Documents folder, and link the GPO to the RDSessionHosts O