Which of the Following Statements Is Accurate Regarding the Research

Which of the following statements is accurate regarding the research on gender and mental disorder?

A) The gender difference in mental disorder is related to both biological and social factors.
B) Gender differences in mental disorder are controversial and there is limited agreement about the explanations for these differences.
C) Biological factors account for the greatest proportion of gender difference in mental disorder.
D) Definitive conclusions about gender differences are clear and suggest that social factors are the biggest contributors.