Which of the following is NOT true about labor unions? Question content area bottom Part 1 A. Less than 6 percent of private-sector employees belong to unions. B. The largest labor union in the United States is the International Brotherhood of Teamsters, with more than 2.7 million members. C. Originally, labor unions were primarily formed by industrial workers, and these unions remain important today. D. Today, approximately 11 percent of wage and salary workers in the United States belong to labor unions. E. The fastest-growing private-sector union membership is in service occupations such as health care workers, hotel workers, hospitality workers