Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 （SP2）. All client computers run Windows XP Professional Service Pack 3 （SP3）. You have a server named Server1 that has Windows Server Update Services （WSUS） 3.0 installed.You need to ensure that all WSUS clients download approved updates directly from the Windows Update site. What should you do？（）

A. From the Default Domain Policy， configure the Background Intelligence Transfer Service settings.
B. From the Default Domain Policy， configure the Windows Update settings.
C. From the Update Services console， create a new automatic approvals rule.
D. From the Update Services console， configure the Update Files and Languages settings.