问题详情

Francesca Righetti believes that______.

A．people tend to be more considerate for others in communal relationships

B．selfishness makes people reluctant to help others in communal relationships

C．selfishness is in contrast to cooperation in mutual-supportive relationships

D．cooperation is essential to people who rely on the support from others

请帮忙给出正确答案和分析，谢谢！