Bottled water, chewing gum and skin moisturizers are mentioned in Paragraph 5 so

Bottled water, chewing gum and skin moisturizers are mentioned in Paragraph 5 so as to __（ ）

[A] reveal their impact on people's habits

[B] show the urgent need of daily necessities

[C] indicate their effect on people's buying power

[D] manifest the significant role of good habits