Which of the Following Is a Guideline Suggested by Frederick

Which of the following is a guideline suggested by Frederick Winslow Taylor,the mastermind of the idea of scientific management?

A) Employees should be evaluated to check whether they are doing a good job.
B) Employees should be trained at the job they will perform.
C) Employees should be rewarded for honesty.
D) Employees should be hired on the basis of their cultural fitment.