Young people who drink or use drugs are mainly influenced by both their parents and their

Other reasons they take that first drink are to be rebellious (反抗的) ,for curiosity or "kicks" (刺激) or to escape an unpleasant environment. And young people drink and use drugs because alcohol (酒精)and drugs are at hand.

After first experimental use, young people continue to drink or use drugs because they believe these substances can relieve boredom, increase energy, decrease anxiety, solve problems, or help them socially. They may simply like the "high" they get in the early and middle stages of substance use. After continued use, they will drink or use drugs because they become physically and psychologically (心理地) addicted (上瘾的).

Now that we have admitted that we have to solve this problem. We must decide how to deal with this challenge. Winning this will take a great effort involving local, state, and national government. It will require the effort of schools, but it cannot be done by schools alone. It will take family and community involvement. Already a great amount of time, energy and expert knowledge has been directed toward dealing with it but the problem continues.

Which of the following is not mentioned as the reason of drinking and using drugs in the passage？

A．the selling of alcohol and drugs

B．pressure from their parents and relatives

C．curiosity

D．their eagerness to experience what is not permissible to them