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.