Which of the Following Statements Best Explains the Role of Biology

Which of the following statements best explains the role of biology in describing the behavior patterns of men and women?

A) Nearly a century of research fails to identify the physiological and biological origins of the behavior patterns of men and women.
B) There is abundant evidence that supports the biological origins of behavior patterns in men and women.
C) The biological evidence shows that gender is the single most important factor in determining an individual's behavior patterns.
D) The biological evidence shows that social interaction has little to do with shaping the behavior patterns of men and women.