听力原文： The home is the central focus of most young people's lives in Britain, particularly for those who are still attending school. The majority rely upon their home environment as a place of security and upon their parents as the main providers of food, money and other necessity of life-as well as general advice. Young people spend a large proportion of their leisure time at home with other members of their family or with friends.
After the home, school is the main social environment where children not only receive their formal education but also develop their identifies within peer groups. All school children in Britain are encouraged to take up activities which complement their academic and vocational education and help to identify their individual talent, such as sports, drama, music and creative pursuits. Many of these form. part of the school curricula.
The personal development and informal social education of young people aged from 11 to 25 is also promoted by the Youth Service in Britain. The Service is a partnership between law authorities and a large number of voluntary organizations. A recent survey estimated that nearly six million young people in this age group are either current or past participants in the Service.
Youth clubs and centers are the moot common types of Youth Service provision, encouraging their members to participate in sport, cultural and creative activities, and community service. Some also provide information and counseling. Youth clubs may be branches of national or international bodies or they may be entirely local institutions.
Where do most British young people spend their spare time？

A. Youth clubs.
B. Service groups.
C. Voluntary organizations.
D. Homes.