Your company has a single Active Directory domain named intranet.adatum.com. The domain controllers run Windows Server 2008 and the DNS server role. All computers， including non-domain members， dynamically register their DNS records. You need to configure the intranet.adatum.com zone to allow only domain members to dynamically register DNS records. What should you do（）

• A、Set dynamic updates to Secure Only.
• B、Enable zone transfers to Name Servers.
• C、Remove the Authenticated Users group.
• D、Deny the Everyone group the Create All Child Objects permission.