All client computers on your company network run Windows 7. Employees use Windows Internet Explorer 8 to access Web site

[answerhappygod]

All client computers on your company network run Windows 7. Employees use Windows Internet Explorer 8 to access Web sites. You discover that some computers are infected with malicious software.
Employees are able to access Web sites that might have been compromised by malicious software.
You need to configure the settings in Internet Explorer 8 to prevent malicious software from being installed on the computers.
What should you do?

A. Configure Popup Blocker.
B. Configure SmartScreen Filter.
C. Add the sites to the Local intranet zone.
D. Add company-approved Web sites to the Compatibility View List.