You have a stand-alone computer that runs Windows XP Professional. Five users use the computer. Each user has a local user account. The user accounts are member of only the Users group. You need to share a document between all users of the computer. What should you do?（） 

• A、Copy the file to the Shared Documents folder. 
• B、Copy the file to the My Documents folder of the local administrator. 
• C、Copy the file to the %SystemRoot%/CSC folder. Add all user accounts to the guests group.
• D、Enable Offline File and Folder Caching. Copy the file to the %SystemRoot%/CSC folder.