Final answer:
The subject is gender stratification in the U.S. workforce and the correct option is that women are concentrated in several categories of jobs.
Step-by-step explanation:
The subject of this question is Gender Stratification in the U.S. Workforce.
The correct option that describes the current state of the U.S. workforce is c. women are concentrated in several categories of jobs.
Despite making up nearly half of payroll employment, women are still largely concentrated in certain occupations, while men dominate high-earning positions. Additionally, women generally earn 77 cents for every dollar made by their male counterparts, indicating a significant gender pay gap.