You are the administrator of your company’s network. You purchase 75 new Windows 2000 Professional computers that will be shared by the users in Graphic organizational unit (OU). All the computers are configured identically. You want the users to be able to maintain their individual desktop settings regardless of which computer they use. You want to accomplish this with the least amount of administrative effort. What should you do? （）

• A、Configure each computer to join a workgroup.      Create a user account and a local profile for each user. 
• B、Configure each computer to join a workgroup.      Create a domain user account that uses roaming user profiles. 
• C、Configure each computer to join the domain.      Create a user account for each user on a domain controller. 
• D、Configure each computer to join the domain.      Create domain user accounts that use roaming user profiles.