Which of the Following Is False

Which of the following is false?

A) People looking for full-time work who grudgingly settle for a part-time job are counted as employed, even though they are only "partly" employed.
B) Some people working in the underground economy could be counted in labor statistics as unemployed, while others may be counted as not in the labor force.
C) Unemployment rates can be quite different across different segments of the population, as well as varying substantially over time.
D) The duration of unemployment tends to be greater when the amount of unemployment is high, and smaller when the amount of unemployment is low.
E) None of the above are false; all are true.