Help me please which one the correct answer?

Save Submit Test for Grading 8 of 30 D o Which of the following statements is true of the social class system in the United States? o O a. Social class includes people who are of the same age and gender. Ob. Interest in organized labor is one of the most common attributes among the working class. O c. The majority of Americans today define themselves as upper class. The working class spends more than the middle class on vacation homes, jewelry, vacations, and cruises