Statistics of Family Expenses in China


1. 请对图表所给出的信息进行描述
2. 请对描述的内容做出原因分析
3. 请针对此图表得出合理的结论并对未来进行预测
Changes in Family Expenses

A．Because they experienced the first-hand fear.
B．Because they learned fear indirectly.
C．Because their brains were sensitive to colors.
D．Because their reacting system were monitored.