Vidal Is an Employee of Wild Thing Ranch

Multiple Choice

Vidal is an employee of Wild Thing Ranch.Vidal learns that Wild Thing is illegally importing endangered animals to sell as pets.He reports his employer's illegal activities but is laid off shortly thereafter and successfully sues Wild Thing for retaliatory discharge.With respect to the employment-at-will doctrine,this is

A) an example of the doctrine.
B) an exception based on contract theory.
C) an exception based on public policy.
D) an exception based on tort theory.