whAt is onE oF thE possiBlE ConClusions oF thE ExpErimEnt
A．thE iDEAl rEtirEmEnt AgE For An ExpEriEnCED FootBAll rEFErEE is 45.
B．AgE shoulD not BE thE ChiEF ConsiDErAtion in Choosing A FootBAll rEFErEE.
C．A FootBAll rEFErEE shoulD BE As young AnD EnErgEtiC As possiBlE.
D．An ExpEriEnCED FootBAll rEFErEE CAn Do wEll EvEn whEn in poor physiCAl ConDition.