《船上医护》培训的对象（）。

A.大副和船长

B.轮机长

C.大管轮

D.驾助

The passage suggests that ______.

A．one's intelligence is born by nature

B．people can be trained to make best use of their mental abilities

C．IQ tests are totally unreliable

D．most psychologists are in favor of the idea of "self-efficacy"