题目内容：

听下面一段独白，回答以下小题。

1.What is the main idea of this passage?

A.How to decide what to buy in a supermarket.

B.Where to find what to buy in a supermarket.

C.How a supermarket makes people spend more money.

2.Why does the food that everybody must buy spread all over the store?

A.To lead customers to all sections of the store.

B.To make it easy for customers to locate the food.

C.To let customers enjoy the comfortable environment.

3.How much do people spend after they have been in a store for 30 minutes?

A.40 cents each minute.

B.1,500 cents in total.

C.5 dollars each minute.