Which of the Following Would Be an Example of Biological-Biasing

Which of the following would be an example of biological-biasing in humans?

A) Girls who were tomboys adopt more female interests and characteristics as they become adolescents.
B) Studies of emotions in men find that they keep a lot of feelings to themselves as expected by societal norms.
C) Girls who are exposed to higher than normal levels of androgens show typical female characteristics in childhood.
D) Women, on average, are more often "left-brained," and men, on average, more often "right-brained."