Answer: b. absolute privilege
It is very important that whistle blowers are protected by qualified privilege, this will encourage people to come out and expose illegal acts done in the secret.
Explanation:
Qualified privilege is the immunity enjoyed by someone that protects them from being sued for libel and slander when they engage in properly exercised moral act without any ulterior motive.
A whistle- blower is someone that exposes to the general public especially appropriate authorities things illegal done in the secret within an organization be it public or privately owned.