Who of the following is structurally unemployed? Select one: A. Eugene, a steelworker who was laid off but has stopped looking for a new job because the economy is in a recession and he thinks he won't be able to find a job. B. Omar, a fishery worker who left his job to search for a better job closer to home. C. Cara, who lost her job because of foreign competition and is unemployed until retrained. D. Amanda, an office worker who lost her job because of a slowdown in economic activity.