You have a file server that runs Windows Server 2008. A user restores a large file by using the Previous Versions tab. You need to view the progress of the file restoration  what should you do（）？ 

• A、From the command prompt， rum shadow.exe /v
• B、From the command prompt， run vssadmin.exe query reverts
• C、From Computer management， click on the shared folders node and then click on sessions
• D、From computer management， click on the shared folders node and then click on open files.