Martina is an assistant to the HR manager at XYL Corporation. She has been asked to restructure the jobs in her unit to make them more motivating. Martina has found that Donna, one of her key employees, tends to be more motivated by jobs that have a high motivating potential. Martina is not able to comprehend what could justify Donna's attitude. She comes to you for advice. Based on your knowledge of management and organizational behavior, you would probably tell Martina that according to the Job Characteristics Model, Donna is likely to have a ____________. a. Low growth need. b. High safety need. c. High growth need strength. d. High social needs