Your company has an Active Directory forest. Not all domain controllers in the forest are configured as  Global Catalog Servers. Your domain structure contains one root domain and one child domain.  You modify the folder permissions on a file server that is in the child domain. You discover that some Access Control entries start with S-1-5-21 - and that no account name s listed.   You need to list the account names.    What should you do（）

• A、Move the RID master role in the child domain to a domain controller that holds the Global Catalog.
• B、Modify the schema to enable replication of the friendlynames attribute to the Global Catalog.  
• C、Move the RID master role in the child domain to a domain controller that does not hold the Global  Catalog.
• D、Move the infrastructure master role in the child domain to a domain controller that does not hold the  Global Catalog.