Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 （SP2）.You have a DHCP server that has 10 scopes.You need to add a DNS server to all 10 scopes by using the minimum amount of administrative effort. What should you do？（）

• A、In the DHCP snap-in， add a server option.
• B、In the DHCP snap-in， add a scope option for each scope.
• C、At a command prompt on the server， run the Chcp command and code page 863.
• D、At a command prompt on the server， run the Netsh command and configure the popd subcontext.