You have a computer that runs Windows 7. Multiple users share the computer. The computer is joined to adomain. You need to prevent the users from using more than 2 GB of disk space on drive C.  What should you do?（）

• A、From a Group Policy object （GPO）， enable the Limit profile size setting.
• B、Enable System Protection for Local Disk （C） and set the disk space usage.
• C、Enable disk quota management on Computer1 and configure a default quota limit.
• D、From a Group Policy object （GPO）， enable the Limit the size of the entire roaming user profile cachesetting.