{{B}}quEstions 24—26 ArE BAsED on thE pAssAgE ABout humAn intElligEnCE. you now hAvE 15 sEConDs to rEAD quEstions 24—26.{{/B}}

thE BEst stAtEmEnt oF thE mAin iDEA oF thE pAssAgE is thAt ______.A．humAn BrAins DiFFEr ConsiDErABly
B．thE BrAin A pErson is Born with is importAnt in DEtErmining his intElligEnCE
C．EnvironmEnt is CruCiAl in DEtErmining A pErson’s intElligEnCE
D．pErsons hAving iDEntiCAl BrAins will hAvE roughly thE sAmE intElligEnCE