According to Your Textbook,women Are Ten Times as Likely as Men

According to your textbook,women are ten times as likely as men to suffer from an eating disorder.Research has also demonstrated that parts of the frontal lobes of women's brains are thicker than the frontal lobes of men's brains.It would be easy to suggest,therefore,that having a thicker area in the frontal lobe causes women to have a higher rate of eating disorders.Why is this explanation invalid?

A) Because it does not take into account the impact of societal pressure on women to be thin.
B) Because the only way to measure the thickness of cerebral lobes is through autopsy after death, and there is no way to know if those areas are also thicker when a person is alive.
C) Because it ignores the fact that men have a thicker parietal cortex, which might also explain the eating disorder disparity.
D) Because eating behaviors are controlled by the hypothalamus, which is not located in the frontal lobes of the brain.