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 does not have a job and gives up looking for one
D) A person who works at a job that underutilizes his or her skills
E) A person who works part-time and would rather work full time