Why Were Women the Backbone of the Montgomery Bus Boycott

Why were women the backbone of the Montgomery bus boycott?

A) The Montgomery Improvement Association, which led the boycott, was predominately a woman's organization.
B) Women, more than men, depended on public transportation to travel to their jobs.
C) African American men disapproved of Rosa Parks's confrontational approach.
D) Women were put in the forefront because white men were less likely to attack them.