Final answer:
Jarrett started working for the sporting goods chain a few years ago.
Step-by-step explanation:
Jarrett started working for the sporting goods chain a few years ago. He was encouraged by one of the managers who believed in him and encouraged him to take classes at a local college. Jarrett kept his college enrollment a secret from others, in case he failed. Therefore, option c. 'A few years ago' is the correct answer.