Which of the Following People Would Be Classified as Unemployed

Which of the following people would be classified as unemployed?

A) a person who wants a job as a fashion model but cannot find work in that field
B) someone who quits a part-time job to attend school full-time
C) someone who gives up looking for a job
D) a person who works at a job that underemploys his or her skills
E) a person who works part-time and would rather work full-time