Some Students' Vocational Aspirations May Be Hindered by the Educational

Some students' vocational aspirations may be hindered by the educational system itself because _____.

A) many schools value and cultivate only a narrow range of abilities
B) students who are able to memorize and analyze tend to do best on intelligence and achievement tests,and high scores on these tests give access to particular vocations
C) students who perform well on tests tend to become high achievers
D) all of the above.