The author's purpose in citing "repeated 12-month unemployed ment" is most probably to show that A.there are several factors that cause the payment of low wages to some members of the labor force.
B.unemployment statistics can underestimate the hardship resulting from joblessness. C.recurrent inadequacies in the labor market can exist and can cause hardships for individual workers. D.a majority of those who are jobless at any one time does not suffer severe hardship.