You are the network administrator for The network consists of a single Active directory domain named The domain contains 20 Windows Server 2003 computers and 5,000 Windows XP Professional computers. All client computer accounts are in the Clients organizational unit (OU). The client computers do not have any service packs installed. You install and configure Software Update Services (SUS) on a server named TestKing4. All client computers must download security updates from TestKing4. You need to prepare the client computers so they can connect to TestKing4 to download Windows security updates. What should you do?（）

• A、Create a logon script that connects to the Windows Update Catalog Web site, scans for available security updates, and downloads security updates to the client computes,
• B、Install the automatic Updates client on all client computers. Configure the client computers to use Automatic Updates to connect to TestKing4.
• C、Create a new Group Policy object (GPO) and link it to the clients OU. Configure the GPO to create a software package that assigns security updates from TestKing4 to the client computers.
• D、Add http://TestKing4 as the value for WUStatusServer registry entries on all client computers.