You are using 

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 application is successfully installed on the 740 out of 750 computers. The ten computers are unable to install the application what should you do to install that application on all the computers in the sales OU.What should you do?（）

• A、Repackage and re-deploy the application's .msi file to the Sales OU
• B、Repackage and re-deploy the application's .mst file to the Sales OU
• 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.