Which of the Following Scenarios Exemplifies an Individual in the External

Which of the following scenarios exemplifies an individual in the external labor market?

A) Katie,a contract worker,working for a certain period specified in a written contract.
B) Andrew,a temporary worker,being paid by a company for his services.
C) Jill,an engineering graduate,looking for a job.
D) Hilary,an employee,going through training.
E) Salim,an employee,securing his financial services certification.