By citing the two studies, the author aims to indicate that______.A．emotions influence men

By citing the two studies, the author aims to indicate that______.

A．emotions influence men and women in quite different ways

B．both positive and negative emotions have effects on the heart

C．negative emotions have a negative effect on the heart

D．men and women have different causes of heart diseases

请帮忙给出正确答案和分析，谢谢！