All of the Following Statements About the US Job Characteristics

All of the following statements about the US job characteristics model are true EXCEPT

A) The model suggests that work is more motivating when managers enrich core job characteristics.
B) The model suggests that enriching job characteristics is motivating for all types of individuals.
C) The model assumes that one critical state for motivation to occur is if the worker believes his/her work to be meaningful.
D) The model assumes that only some people will respond well to enriched jobs.