According to the first two paragraphs, we know that IRUL research
A．has been conducted by Dr. Post and scientists from other 54 universities.
B．aims to find out what contributes to healthier, happier, and longer lives.
C．has shown altruistic love results in a healthier and happier life.
D．studies how altruistic teenagers get along in various social environments.

A.has
B.
B．aims
C.
C．has
D.
D．studies
E.


【参考答案】

C
事实细节题。文中讲到“这些研究已经证明，帮助他人时体现出来的爱和关怀使人更健康、更快乐、甚至更长寿”，C项与此相符。