单项选择题
A．many of them will soon be in charge of the country B．older people are always trying to understand them C．they are active and interesting D．they always make trouble in families
A．it' s mere fuss to write so much about the ideas, feelings and actions of youth B．the author blames the young for being trouble-makers at home C．the author blames the parents for not understanding what their children think and feel D．the trouble in American families is often .caused by different ideas and opinions between parents and children
A．make up nearly halt' of the American population B．are deeply interested in making a better life for all people C．have not been given a fair chance before now D．are always finding fault with their parents