Your network contains a domain controller that runs Windows Server 2008 R2.   You run the following command on the domain controller：   dsamain.exe  dbpath c：/$SNAP_201006170326_VOLUMEC$/Windows/NTDS/ntds.dit  ldapport 389   -allowNonAdminAccess   The command fails.   You need to ensure that the command completes successfully.   How should you modify the command（）

• A、Include the path to Dsamain.
• B、Change the value of the -dbpath parameter.
• C、Change the value of the -ldapport parameter.
• D、Remove the allowNonAdminAccess parameter.