Which of the Following Is One of the Significant Reasons

Which of the following is one of the significant reasons why there are gender differences in behavior?

A) Children are less likely to engage in a behavior if they believe it is gender-appropriate.
B) Men and women naturally gravitate towards careers for which they are inherently more skilled.
C) Nearly all behaviors have biologically rooted gender differences.
D) Being told that a behavior is appropriate for one's gender makes a child more likely to engage in that behavior.