(单选题)
Among the origins of happiness, ______.
A.age and sex contribute the most
B.genes play a tiny part
C.events hardly perform a function
D.values are under control
参考答案:D
参考解析:
细节理解题。根据第七段和第八段可知,影响幸福指数的主要源于:48%的gene+40%的events+12%的value。再结合最后一段“the good news is that we can bring that 12 percent under our control”可知,value是我们可控的。故选D。
知识点: