You are the network administrator for your company. The network consists of a single Active Directory domain. All servers run Windows Server 2003. All client computers run Windows XP Professional.You install and configure a single server to run Windows Server Update Services （WSUS）. You configure the appropriate Group Policy settings to specify separate WSUS target groups for client and server computers. You need to ensure that computers automatically assign themselves to the correct computer group. What should you do？（）

A. In the WSUS console， configure Computer Options so that Use group policy or registry settings on computers is selected.
B. In the WSUS console， configure Computer Options so that Use the Move Computers Task in Windows Server Update Services is selected.
C. In the WSUS console， create the appropriate computer groups.
D. Create organizational units （OUs） for each group.