Your network consists of a single Active Directory domain. The domain contains 10 domain  controllers. The domain controllers run Windows Server 2008 R2 and are configured as DNS  servers.     You plan to create a new Active Directory-integrated zone.  You need to ensure that the new zone is only replicated to four of your domain controllers.     What should you do first（）

• A、Create a new delegation in the ForestDnsZones application directory partition.
• B、Create a new delegation in the DomainDnsZones application directory partition.
• C、From the command prompt， run dnscmd and specify the /enlistdirectorypartition parameter.
• D、From the command prompt， run dnscmd and specify the /createdirectorypartition parameter.