What Is the First Step a Plaintiff Would Establish in Order

What is the first step a plaintiff would establish in order to prove disparate-treatment discrimination in an employment case under Title VII?

A) The plaintiff would demonstrate a prima facie case of discrimination.
B) The plaintiff would show that the reason given by the employer for the discrimination was a mere pretext.
C) The plaintiff would prove beyond a reasonable doubt that discrimination occurred.
D) The plaintiff would show that the plaintiff gave the defendant the opportunity to remedy the situation before filing suit but that the defendant refused.
E) The plaintiff would complain to the Equal Employment Opportunity Commission.