quEstions 18 to 20 ArE BAsED on thE Following pAssAgE.At thE EnD oF thE pAssAgE, you will BE givEn 15 sEConDs to AnswEr thE quEstions.
now listEn to thE pAssAgE.
whAt’s thE BEst titlE For this pAssAgEA．sExDiFFErEnCEs in physiCAlAttriButEs.
B．sExDiFFErEnCEs in intEllECtuAl FunCtion.
C．sExDiFFErEnCEs in rEproDuCtivE FunCtion.
D．sExDiFFErEnCEs in hormonEs.