题目：
What's the main reason for the decrease of happiness in manycountries?
选项：
A. Increasing expectations people have for material possessions.
B. The limited choice and the downturn of the economy.
C. The unlimited choices and the increase in material possessions.
D. The unlimited options that people can easily choose from.
答案：
The unlimited choices and the increase in material possessions.
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生成时间：2025-12-12 15:10:02 |
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