It can be inferred that the high rate of dropouts lies in _________.

A．Dropouts are substantially below Ph.D.'s in financial attainment
B．the incentive factor is a minor one in regard to pursuing Ph.D. studies
C．The Ph.
D．candidate is likely to change his field of specialization if he drops outD. about one-third of those who start Ph.D. work do not complete the work to earn the degree

A．look upon life as their elders do
B．are more like Americans than their elders in their way of thinking
C．look more like Americans than their elders do
D．expect more from Americans than from their elders