Your network contains an Active Directory forest. The forest contains multiple sites.  You need to enable universal group membership caching for a site.   What should you do（）

• A、From Active Directory Sites and Services， modify the NTDS Settings.
• B、From Active Directory Sites and Services， modify the NTDS Site Settings.
• C、From Active Directory Users and Computers， modify the properties of all universal groups used in the  site.
• D、From Active Directory Users and Computers， modify the computer objects for the domain controllers in  the site.