What Economists Sometimes Call "Voluntary Unemployment" Occurs When

What economists sometimes call "voluntary unemployment" occurs when

A) a job is available but the worker has not yet found it.
B) the level of real GDP is at or above the economy's potential output.
C) a person is willing to accept a job at the going wage rate but cannot find one.
D) a worker enters the job market for the first time.
E) a worker is not willing to accept an available job at the going wage rate.