Many Ph. D. s are out of job because______.
- A they are improperly educated
- B they are of little commercial value to their society
- C there are fewer jobs in high schools
- D they prefer easier jobs that make more money
搜答案，更轻松！
Many Ph. D. s are out of job because______.
[解析] 答案见文章第5段，只有诸如物理学或化学这样少数特殊领域的学识能够很快运用到工业或商业中。