Which statement is true?

A. Job analysis is a group of positions, that are similar as to kind and level of work

B. A promotion is the advancement of an employee to a better job better in terms of greater responsibilities, more prestige or status, greater skill and especially, increase rate of pay or salary

C. A promotion is the transfer of an employee to a job that pays more money or that enjoys some preferred status

D. All of the above

Answer: Option D