Margot Has Just Gone Through Some Computer Training

Margot has just gone through some computer training. One of the issues covered was how to prevent viruses from being spread. Actions that she, a computer user, should take include all of the following EXCEPT

A) do not e-mail a file to anyone else in the organization if a virus has been identified.
B) do not download shareware on her computer.
C) do not share diskettes between computers.
D) update the virus protection on at least a daily basis.