Unemployment That Exists Because It Takes Time for Workers to Search

Unemployment that exists because it takes time for workers to search for the jobs that suit them best is

A) frictional unemployment,which contributes to the natural rate of unemployment.
B) frictional unemployment,which does not contribute to the natural rate of unemployment.
C) structural unemployment,which contributes to the natural rate of unemployment.
D) structural unemployment,which does not contribute to the natural rate of unemployment.