Your network contains an Active Directory domain. The domain is configured as shown in the  following table：   Active Directory site  Domain controllers  Main  DC1 and DC2  Branch1  DC3  Branch2  None     Users in Branch2 sometimes authenticate to a domain controller in Branch1.   You need to ensure that users in Branch2 only authenticate to the domain controllers in Main.     What should you do（）

• A、On DC3， set the AutoSiteCoverage value to 0.
• B、On DC3， set the AutoSiteCoverage value to 1.
• C、On DC1 and DC2， set the AutoSiteCoverage value to 0.
• D、On DC1 and DC2， set the AutoSiteCoverage value to 1.