You are the domain administrator for TestKing's Active Directory domain. The domain consists of four domain controllers named TestkingDC1, TestkingDC2, TestkingDC3, and TestkingDC4. TestkingDC1 and TestkingDC2 run Windows 2000 Server and have the latest service pack installed. TestkingDC3 and TestkingDC4 run Windows Server 2003. All client computers run Windows XP Professional and have the latest service pack installed. You have a new client computer that you plan to use to perform domain administration functions. You need to be able to manage Active Directory users and computers remotely. What should you do?（）
- A Install the Windows Support Tools from the Windows Server 2003 installation CD on your client computer.
- B Install the Adminpak.msi file from the Windows Server 2003 installation CD on your client computer.
- C Use the Help and Support Center tools on your client computer to connect to the domain controller that you need to manage.
- D Use Computer Management on your client computer to connect to the domain controller that you need to manage.