BiomEtriC tEChnology is lEss rEliABlE BECAusE______. A.it AlwAys BrEAks Down At Airport whEn it's supposED to work B.t CAn't rECognizE thE ChAngEs on FACEs, FingEr prints AnD irisEs C.thErE's no rEliABlE systEm thAt CAn rECognizE FACEs, FingEr prints AnD irisEs D.it's usElEss whEn thE FACEs, FingErprints or irisEs ArE unknown to thE systEm