Answer: c. quits his job because the possibility of advancement is very low
Step-by-step explanation:
A worker can become discouraged from work for so many reasons, some reasons for such might be generally understood while some might be based on personal issues they are facing and cannot continue working in the place they are. A discouraged worker is one who quits his job because there have weighed their options and have come to conclusion that they won't be able to cope with their role in the organization, this reason might be related to incapability from carrying out work take or personal issues.