Six Years Ago, Archie Lost His Job as a Highly

Six years ago, Archie lost his job as a highly skilled craftsman at a metal working shop. Before accepting a job as a maintenance worker at a local community college, he searched for a job similar to his old trade for several months. While he is happy to have employment, he is frustrated that he had to settle for a job that did not take full advantage of his skills. Archie is a(n)

A) structurally unemployed worker.
B) semi-employed worker.
C) underemployed worker.
D) quasi-employed worker.