You have a computer named Computer1 that runs Windows 7. You plan to migrate the user state on Computer1 by using User State Migration Tool (USMT) 4.0. You need to identify which user documents willbe included in the migration.  What should you do?（）

• A、Run Usmtutils.exe and use the /ec option.
• B、Run Sysprep.exe and use the /audit option.
• C、Run Loadstate.exe and use the /v：12 option.
• D、Run Scanstate.exe and use the /genmigxml option.