A user has a computer that runs Windows XP Professional. The user attempts to connect to the computer by using a Remote Desktop Connection and receives the following error message: “The local policy of the system does not permit you to log on interactively.” You need to ensure that the user can log on to the computer by using a Remote Desktop Connection. What should you do?（） 

• A、From the System settings, disable Remote Assistance.
• B、Add the user's account to the Remote Desktop Users group. 
• C、From Windows Firewall, modify the scope of the Remote Desktop exception. 
• D、Set the Remote Desktop Help Session Manager service Startup type to Automatic, and then start the service.