单项选择题
A．they still feel lonely B．they want to move to other places C．they have no time to look after the young people's children D．they like to live with their own brothers and sisters
A．they had big families B．they lived with their children C．the young were kind to the old D．the society didn't change so rapidly
A．often go to clubs with their brothers and sisters B．prefer lonely life to social life C．live more happily than their parents and grandparents D．like to share their feeling and thoughts with other people