Cyclical unemployment occurs

A) with economic fluctuations; it increases during bad times and decreases during good times.
B) because of a mismatch between the jobs that are available in the economy and the skills of workers seeking jobs.
C) because the government labels some people who aren't really in the labor force as unemployed.
D) naturally during the normal workings of an economy, as people change jobs, move across the country, etc.

A