Which of the Following Behaviors or Policies Associated with Sex

Which of the following behaviors or policies associated with sex and gender is most aligned with the functionalist perspective?

A) naming boys Butch, Bob, and Chuck, and girls Michele, Penelope, and Melissa
B) using gender roles as a convenient division of labor
C) electing a man as President of the United States throughout the history of the nation
D) the feminist movement that fights the idea that differences between men and women are rooted in biology