Text AI. Choose the best answer to each of the following questions according to what is stated or implied in the text.What’s the main idea of the passage?
选项：

A:The affluent are always kept in the dark about saving money when doing shopping.;
B:Absolute value rather than relative value matters in terms of money saving.;
C:Our senses can control how we manage money.;
D:Don’t fall prey to all the fancy marketing traps in our daily life.