Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 (SP2).The network contains two DNS servers named Server1 and Server2. You deploy a DHCP server named Server3 and configure all client computers to receive their IP configurations automatically.You discover that all client computers use Server2 for host name resolution.You need to ensure that all client computers use Server1 for host name resolution. What should you do?（） 

• A、On Server3, modify the DNS option. 
• B、On Server3, modify the DNS domain name option. 
• C、On Server2, modify the Preferred DNS server setting. 
• D、On each client computer, modify the properties of the DNS Client service.