HR Professionals Must Recognize Types of Unlawful Discrimination to Be

HR Professionals must recognize types of unlawful discrimination to be in compliance with US law. One type of discrimination is disparate treatment. Which one of the following is the best definition of disparate treatment?

A) When an employer treats all applicants the same regardless of their race, color, sex, religion, national origin, age, disability, or military or veteran status.
B) When an employer creates a quid pro quo status based on an employee's rebuttal of unwelcome sexual advances.
C) When an employer treats a candidate differently based on the person's race, color, sex, religion, national origin, age, disability, or military or veteran status
D) When an employee treats other employees differently based on their past work efforts.