单选题 School students paying a lower fare than adults on the MTR trains, or cheaper tickets to the theatre, is an example of ______.

A、 The suppliers making less profit because some customers pay a lower price.
B、 Consumers obtaining more consumer surplus.
C、 Price discrimination allowing the suppliers to make more profit from charging a higher price to customers whose demand is more elastic.
D、 Price discrimination allowing the suppliers to make more profit from charging a lower price to customers whose demand is more elastic.

【正确答案】 D

【答案解析】[解析] 同一商品不同消费群制定不同的价格，是价格歧视政策。通过区别定价，可以满足更多消费者的需要。