Answer:
Option (a) is the correct answer to this question.
Explanation:
Groups protected by law from discrimination in the workplace. Such categories include men and women on the basis of sex; any group of people of similar race, ethnicity, color or national origin; persons over the age of 40; and persons with physical or mental disabilities.
A protected category or class shall be a group of persons eligible by statute, policy, or equivalent authority for special protection. In the United States, the term is also used in connexion with workers and jobs.
Other parts are incorrect because they are not related to the given scenario.