单项选择题
A．if people can return to the "golden age" B．when women and men enjoy equal rights C．when people rid themselves of prejudice D．if less emphasis is laid on material things
A．was something unheard of B．attracted a lot of public attention C．was by no means a rare occurrence D．began to appear in analysts' data
A．Great mobility. B．Emphasis on individual effort. C．Concern for one's neighbor. D．Ever-weakening social bonds.