The collapse of manners in Britain can be ascribed to______. A.natural evolution of human beings B.the dominance of single-parent families C.the absence of education on social manners D.lack of harsh penalties on offenders
A. A.natural B.the C.the D.lack
【参考答案】
C 在最后两段,作者使用了Mannersaretaught,They’renottaughtmuchherean......