thE writEr ConsiDErs thAt thE BronzE AgE suCCEEDED thE stonE AgE BECAusE
A．thErE wAs A sCArCity oF wooD AnD othEr BuilDing mAtEriAls
B．BronzE wAs lEss ExpEnsivE thAn stonE
C．stonE wAs no longEr AvAilABlE
D．morE BronzE thAn stonE CAmE into usE