Which Statement Is Accurate Regarding Employee Training and Development

Which statement is accurate regarding employee training and development?

A) Training and development are used to increase employee performance and productivity.
B) Training and development are only successful if done on-the-job.
C) Training and development are only necessary for complex work functions.
D) Only people in management or supervisory positions benefit from training and development.
E) Expecting employees to participate in training and development can lower their morale.