why DiD thE CouplE rECognizE roD's voiCE on thE rADio immEDiAtEly
A．BECAusE roD wAs thE most nAughty stuDEnt thEy hAD EvEr hAD.
B．BECAusE roD now is A FAmous politiCiAn who AlwAys mAkEs spEECh on rADio progrAm.
C．BECAusE roD now is A FAmous sCiEntist in ArEA oF AiDs.
D．BECAusE roD AlwAys spokE with An unusuAl slow voiCE sinCE hE wAs A stuDEnt.