Your company has an active directory domain named ad.contoso.com all client computers run windows vista. The company has recently acquired a company that has an active directory domain named ad.fabrikam.com. a two-way forest trust is established between the ad.fabrikam.com domain and the ad.contoso.com domain. You need to edit the ad.contoso.com domain group policy object (GPO) to enable users in ad.contoso.com domain to access resources in the ad.frabrikam.com domain.What should you do?（）

• A、Configure the DNS suffix searc List option to ad.contoso.com, ad.fabrikam.com .
• B、Configure the allow DNS suffix appending to unqualified milti-label name queries option to true.
• C、Configure the primary DNS suffix to ad.contoso.com, ad.fabrikam.com. configure the primary DNS suffix devolution option to true.
• D、Configure the primary DNS Suffix to ad.contoso.com, ad.fabrikam.com. configure the primary DNS suffix devolution option to false.