whAt is thE ExACt mEAning oF AgEism, ACCorDing to thE pAssAgE A.A nEgAtivE pErioD oF impotEnCy AnD inCompEtEnCy. B.A nEgAtivE AnD/or stErEotypiC pErCEption oF olDEr ADults. C.A DEFinition oF stErEotypiC AnD oFtEn nEgAtivE AttituDEs, D.A DEnotAtion AgAinst thE nEgAtivE BiAs oF olDEr ADults.