During the 1980s, Which of the Following Was a Major

During the 1980s, which of the following was a major reason for the increase in the poverty rate in America?

A) Increasing elderly populations in such cities
B) The absence of federally-funded centers that could provide job training to the chronically unemployed
C) A decrease in well-paying jobs and an increase in lower-paying service jobs
D) The failure of public education to produce literate, employable graduates