单项选择题
A．Great mobility. B．Emphasis on individual effort. C．Concern for one's neighbor. D．Ever-weakening social bonds.
A．its growing wealth B．the self-centeredness of individuals C．underestimating the impact of social changes D．the prejudice against women and minorities
A．have adapted to a new set of moral standards B．are longing for the return of the good old days C．have realized the importance of material things D．are awakening to the lowering of their moral standards