A technician has a user that consistently picks up viruses and malware no matter what kind ofsoftware is installed to prevent infection. Which of the following should be a cost-effective logical step in preventing future infections?（）

• A、Place the user behind a high end NIPS device.
• B、Migrate the user to a Virtual Machine environment.
• C、Educate the user on browsing habits.
• D、Install multiple antivirus programs on the machine to decrease the chances for infection.