Your network contains an Active Directory domain named contoso.com.     You need to create a central store for the Group Policy Administrative templates.     What should you do（）

• A、Run dfsrmig.exe /createglobalobjects.
• B、Run adprep.exe /domainprep /gpprep.
• C、Copy the %SystemRoot%/PolicyDefinitions folder to the //contoso.com/SYSVOL/contoso.com/Policies folder.
• D、Copy the %SystemRoot%/System32/GroupPolicy folder to the //contoso.com/SYSVOL/contoso.com/Policies folder