thE rEvEnuE From lottEry tiCkEt sAlEs is DiviDED BEtwEEn prizE monEy AnD thE vArious usEs shown in thE grAph lABElED "proCEEDs." in 1997, whAt pEr-CEnt oF thE monEy spEnt on tiCkEts wAs rEturnED to thE purChAsErs in thE Form oF prizE monEyA．23.5%
B．50%
C．60%
D．66%
E、74%