In Order to Prove a Retaliatory Discharge Claim,an Employee Must

In order to prove a retaliatory discharge claim,an employee must show that:

A) he or she was participating in a protected activity.
B) he or she belongs to a prohibited category.
C) there is no causal connection between his or her protected activity and the employer's adverse action.
D) there is a chance that the employer may seek protection under the bona fide occupational qualification defense.