Ruigrok Et Al

Ruigrok et al., (2014) found that, compared to women, men tend to show greater volume in the left amygdala (a part of the limbic system involved in processing and expressing emotions, especially fear) . What can be concluded from this finding?

A) Sex differences in fear expression are more driven by nature than nurture.
B) That men tend to have better memories of highly emotional experiences.
C) Men will generally feel more afraid than women.
D) This finding alone is not indicative of any meaningful sex differences in emotional experiences.