Which One of the Following Is an Example of a Frictionally

Which one of the following is an example of a frictionally unemployed individual?

A) Martin, who lacks the skills necessary to be employed as a machinist
B) Lee, who lost his job as an art director because of a recession
C) Jan, who is a high school dropout and is working as a bus driver
D) Helena, who has just graduated from law school and is searching for a job