A technician has a user that consistently picks up viruses and malware no matter what kind of software 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.