You are the network administrator for The network consists of a single Active Directory domain named All servers run Windows Server 2003. The information technology (IT) department recently installed Software Update Services (SUS) to manage security updates. The server that runs SUS is configured to synchronize automatically every day at 7:00 A.M. New critical updates were released today at 9:00 A.M. You need to manually update the SUS server. What action should you take?（）

• A、Log on to the SUS server. Download the new security updates from Windows Update.
• B、Download the new security updates from Windows Update to your local computer. Copy and paste the updates on the SUS server.
• C、On the SUS home page, synchronize the server.
• D、Log on to the SUS server. Run Wupdmgr.exe by using the appropriate command to manually synchronize the server.