Every year in the U.S. , colleges and graduate schools continue to highly______trained people to compete for jobs that are not there. As a result, graduates cannot enter the professions for which they were trained.

A．turn out

B．work out

C．make out

D．bring out

汽车高速行驶时，应始终保持大于制动总距离的前距，以防追尾事故。