You are the network administrator for The network consists of a single Active Directory domain named All servers run Windows Server 2003, and all client computers run Windows XP Professional. A user named Lilli receives a new computer named Client223. She successfully logs on to the domain. The next day, she tries to log on again. The domain name appears in the domain dropdown list in the dialog box. However, Lilli cannot log on. You try to log on by using Client223, but you are also unsuccessful. Then you use a local Administrator account to log on. You read the following error message in the system event log. "NETLOGON Event ID 3210: Failed to authenticate with \\Server5, a Windows NT domain controller for domain TestKing". You search the computer account for Client223 in Active Directory Users and Computers, but the account does not appear. You need to ensure that Lilli can log on to the domain successfully. What should you do?（）

A. Recreate the user account for Lilli and add her to all appropriate security groups.
B. Run the netdom reset 'Client223' /domain:'testking' command and then restart Client223.
C. Add Client223 to a workgroup. Then join Client223 to the domain.
D. Reset the computer account for Server5 in Active Directory Users and Computers.