According to the conversation，an ethical shopper s

单项选择题

Questions l to 3 are based on the following conversation．At the end of the conversation， you will be given 15 seconds to answer the questions．Now， listen to the conversation.

According to the conversation，an ethical shopper should （）

A．ask for others’advice before buying things．
B．consider the worth of something to be bought．
C．postpone buying things whenever possible．
D．search for things that are less costly．