Which of these contributed to less acceptance of the double standard of sexuality?

Question

Quizplus · Accepted Answer

A) The work of Alfred Kinsey helped to bring attention to the fact that sexual behaviors and desires are not always strictly heterosexual or monogamous, which challenged traditional societal beliefs about sexuality. 
B) The development of birth control pills gave women more control over their reproductive choices, allowing them to have more sexual freedom without fear of unwanted pregnancy, which challenged the double standard that placed blame on women for sexual behavior. 
C) The changing roles of women, such as greater access to education and job opportunities, challenged traditional gender roles which often perpetuated the double standard of sexuality. 
All of these factors contributed to less acceptance of the double standard of sexuality in society.

Which of These Contributed to Less Acceptance of the Double