You are the network administrator for The network consists of a single Active Directory domain named All network servers run Windows Server 2003, and all client computers run Windows XP professional. A file server named TestKingFileSrv is configured as a stand-alone Distributed File System (DFS) root. The disk configuration of TestKingFileSrv is shown in the following table. USERS hosts a shared folder named User Data. You use Group Policy to deploy the Previous Versions client software to all client computers. However, users report that they cannot access any previous version of any of the files in User Data. From your client computer, you open the Properties dialog box of User Data, as shown in the exhibit.' You need to enable all users to access previous versions of the file in User Data. To achieve this goal, you will modify TestKingFileSrv. What should you do?（）

• A、Start the Distributed Link Tracking Client service.
• B、Create a DFS link to User Data.
• C、Enable shadow copies of USERS.
• D、Disable quota management on USERS.