A．The accident rate will be reduced in the next few years
B．Motor vehicle registration will cause an increase in accidents in the future
C．Unless the accident is decreased, ten per cent of the American population will be killed or injured in motor accidents in the next 15 years
D．There is no hope that the accident rate will decrease during the next 15 years

A．are in trouble with collection agencies
B．cannot be discovered on the basis of generally hostile attitudes
C．drive entirely differently from the way they usually live
D．can be detected in advance

A．criminally insane
B．neurotic
C．shy
D．borderline psychopathic cases