You need to install Windows 2000 Professional on 30 new computers. You also need to deploy a Windows 2000 Professional service pack during the installation. First， you create a network distribution folder named InstallFiles. 
You copy the i386 folder from the Windows 2000 Professional CD to the InstallFiles folder. 
What should you do？（）

A. Copy the service pack files to the InstallFiles\Misc folder. 
B. Copy the service pack file sot the InstallFiles\$OEM$ folder. 
C. From an existing client computer, run the update –u command from the service pack to the  Install Files folder. 
D. From an existing client computer, run the Update –s:InstallFiles command from the service  pack to the InstallFiles folder.