听力原文：Many large supermarkets are serf-service. When you go into one of these shops, yo

If anyone tries to take things from a shop without paying, they are almost certain to be caught. Most shops have store detectives who have the job of catching thieves. Stealing is considered a serious crime by the police and the courts.

When you are waiting to be served in a shop, it is important to wait for your turn. It is important not to try to be served before people who arrive before you. Many people from overseas are astonished at the British habit of queuing.

Which of the following is true according to the passage？

A．It's important to be served before other people in a supermarket.

B．You should wait for your turn to be served.

C．British people have a good habit of queuing.