quEstions : sEE thE grAphs on thE Fol.-lowing pAgE For inFormAtion to AnswEr thE quEstions.
ADult EDuCAtion pArtiCipAtion rAtEs in thE pAst 12 months: 1991 AnD 1995


iF in thE unitED stAtEs in 1995, thErE wErE 50 mil-lion EmployED ADults AnD 20 million ADults not in thE thE lABor ForCE, thEn ApproximAtEly whAt wAs thE rAtio oF thE numBEr oF EmployED ADults pArtiCipAting in ADult EDuCAtion to thE numBEr oF pEoplE not in thE lABor ForCE pArtiCipAting in ADult EDuCAtion
A、5:4B、5:2
C、10:3
D、5:1
E、6:l