Answer:
a. Employees have high education and ability.
Explanation:
There are various reasons for not satisfying with the job i.e. package, benefits, pressure, monotonous work, etc also it should be transform into a turnover in the case when the job opportunities are more
But when the employee has human capital i.e. in terms of high education and ability than this would not be transform into a turnover
Therefore in the given situation, the option B is correct