Popcorn has been connected with cinemas and films for as long as we can remember. But where did this connection begin and will it continue？ It had a delicious smell and this made many people buy it. Cinema owners wanted to protect the expensive floor that they had put in their cinemas. They were also worried-that, the sound of people eating snacks would get in the way of other people. So, salesmen set up popcorn-machines outside the cinemas.
As more and more people began buying popcorn on their way into the cinema, cinema owners started to understand that they could make money from the popular snack. Finally, cinemas began selling snacks themselves.
Today popcorn is still important to cinemas. Because popcorn is so cheap to make, cinemas make a lot of money on every box they sell. In recent years, luxury（奈华的）cinemas have got to become popular. These cinemas try to give people a more enjoyable experience by serving different kinds of foods.
But it is impossible that popcorn will disappear completely from cinemas. For many of us, eating popcorn has become a part of the experience of watching a film. Even when we watch a film on TV at home, we often make ourselves some popcorn.
A. Old habits seem hard to break.
B. Popcorn was not sold inside the cinemas at first.
C. Some people predict that popcorn in cinemas may disappear someday.
D. Popcorn became a popular snack in North America in the 19th century.
E. They decided to allow the salesmen to pay to sell popcorn in the cinema.
