Which of the Following Is True of Career Plateaus

Which of the following is true of career plateaus?

A) Plateaued employees are poor candidates for training and development because they have reached the highest level for which they are suitable in their organizations.
B) Career plateaus are a sign that valuable resources are not being used appropriately.
C) Career plateaus are more likely to occur in a person's early career rather than in one's later career.
D) An employee who defines career success in terms of upward mobility would view a career plateau as a sign of failure.