You are the network administrator for TestKing.com Active Directory domain. The domain includes Windows Server 2003 domain controllers and Windows XP Professonal client computers. A new administrator named Sandra is hired to assist you in deploying Windows XP Professional to 100 new computers. Sandra installs the operating system on a new computer named TestKing11. However, when Sandra tries to log on to the domain from TestKing11, she is unsuccessful. The logon box does now allow her to view and select the domain name. You need to ensure that Sandra can log on to the domain from TestKing11. What should you do?（）

• A、Enable the computer account for Testking11.
• B、Configure TestKing11 as a member of the domain.
• C、Add Sandra's user account to the Enterprise Admins group.
• D、Add Sandra's user account to the Server Operators group.