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. You create a shared folder named TestKing Docs on a member server named TestKing3. TestKing Docs will store project documents. You need to ensure that users can access previous version of the documents in TestKing Docs. What should you do?（）

A. Modify the Offline Settings option for TestKing Docs to make all files available offline.
B. Configure shadow copies of the volume containing TestKing Docs.
C. Use Task Scheduler to create a job that uses the Copy command to copy all changed documents to another folder every day.
D. Use the Backup utility to schedule a backup of all changed documents every hou