How would the dual- or split- labor-market theory be used to explain the differences between men and women in the workforce shown in the graph below? A. Higher numbers of women in the workforce replace men in the workforce, making them the higher-wage earners.
B. Women continue to enter the workforce in larger numbers for higher pay as pay structures equalize for males and females.
C. The increasing number of working women is based on the need for two paychecks in households with children.
D. Women in the workforce continue to increase, but they do not earn as much as males because they work in lower-paying positions.