You are using windows installer to deploy an application to 750 Windows 2000 Professional computers on your network. The network includes organizational unit （OU） named sales. A Group Policy object （GPO） is created for the Sales OU. The software deployment of the application is successful. Now， you want to install that application in the customized form. What should you do？ （）

A. Repackage and re-deploy the application’s .msi file to the Sales OU
B. Re-deploy the application’s .mst file to the Sales O
C. Re-deploy the application by using the Group Policy object （GPO for the Sales OU）
D. Restart Windows Installer service on the ten computers.