定义如下类Base,()是setNum()方法的重载方法。classBase{publicvoidsetNum(inta,intb,floatc){}}
A. protectedfloatsetNum(inta,intb,floatc){returnc;}
B. voidsetNum(inta,intb,floatc){}
C. intsetNum(inta,intb,intc){returna;}
D. protectedintsetNum(intx,inty,floatz){returnb;}
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