Which of the following is the main idea of the passage?

A. Many universities ban or restrict the sale of bottled water.
B. Many states ban or restrict the sale of bottled water.
C. The bottled water industry is concerned about its decreasing sales.
D. Many people are opposed to the bottled water ban.
A. Many universities ban or restrict the sale of bottled water.
B. Many states ban or restrict the sale of bottled water.
C. The bottled water industry is concerned about its decreasing sales.
D. Many people are opposed to the bottled water ban.

【答案】