单项选择题
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
A．will provide good job opportunities in many areas B．will impose an unbearable burden on society C．may lead to nursing home abuse and age discrimination D．will create new fields of study in universities