Suppose John Finishes School and Immediately Gets a Part- Time

Suppose John finishes school and immediately gets a part- time job. The measured unemployment rate would

A) fall because he was not in the labour force when in school.
B) not change since he is now employed.
C) rise because he was not in the labour force when in school.
D) fall because he was considered unemployed when in school.
E) not change because part- time jobs aren't counted in the labour force.