Which of the following is an accurate description of the five core job dimensions of Hackman and Oldham$$s job characteristics model?

a$.$ autonomy, feedback, job security, task identity, and skill variety

b$.$ feedback, task identity, job identity, skill variety, and autonomy

c$.$ skill variety, task identity, task significance, autonomy, and feedback

d$.$ skill variety, task identity, job security, autonomy, and feedback