The difference between job enrichment and job enlargement is that: A. enlarged jobs involve vertical expansion, while enriched jobs involve horizontal expansion. B. job enlargement is more psychologically satisfying than job enrichment. C. enriched jobs involve vertical expansion, while enlarged jobs involve horizontal expansion. D. job enrichment is suitable for all employees, whereas job enlargement is not. E. enriched jobs enable an employee to do a number of boring jobs instead of just one.