问题：

[单选]

Your company has two Active Directory forests named contoso.com and fabrikam.com. The company network has three DNS servers named DNS1， DNS2， and DNS3. The DNS servers are configured as shown in the following table.

All computers that belong to the fabrikam.com domain have DNS3 configured as the preferred DNS server. 
All other computers use DNS1 as the preferred DNS server. Users from the fabrikam.com domain are unable to connect to the servers that belong to the contoso.com domain. You need to ensure users in the fabrikam.com domain are able to resolve all contoso.com queries. What should you do（）

A . Create a copy of the _msdcs.contoso.com zone on the DNS3 server.
B . Create a copy of the fabrikam.com zone on the DNS1 server and the DNS2 server.
C . Configure conditional forwarding on DNS3 to forward contoso.com queries to DNS1.
D . Configure conditional forwarding on DNS1 and DNS2 to forward fabrikam.com queries to DNS3.