题目内容
（请给出正确答案）
[主观题]
What is the main cause of unhappiness for many Americans in the writer’s view？A．Life is a
What is the main cause of unhappiness for many Americans in the writer’s view？
A．Life is a long competitive struggle, very few lucky people can win the race and attain happiness.
B．Lack of freedom and stimuli makes people unsatisfied with life.
C．People tend to act on dubious principles.
D．People’s obsession of getting ahead of their neighbors.
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