You are the domain administrator for your company's Active Directory domain. All servers run Windows Server 2003. All client computers run Windows XP Professional and have the latest service pack installed. You manage a server that has Windows Server Update Services (WSUS) installed. The latest updates were synchronized and approved for installation on the client computers. You need to configure the client computers to download and automatically install the approved updates from the WSUS server. What should you do? （）

• A、On the client computers, open the System Properties dialog box. On the Automatic Updates tab, configure the client computers to update automatically every day.
• B、Create a Group Policy object (GPO) that has the appropriate Automatic Updates settings configured. Apply the GPO to an organizational unit (OU) that includes the client computers.
• C、In Active Directory Users and Computers, modify the settings for the client computer accounts. Configure the Managed By property to specify the WSUS server account.
• D、Create a local group on the WSUS server. Assign the group the Allow - Read and the Allow - Write permissions for the WSUSContent folder on the WSUS server. Add all the users of the client computers to the local group.