下列程序段中具有相同值的是()。class Base{int b;}; class Base1:virtual public base{int b1;}; class Base2:virtual public base{int b2;}; class derived:public base1,base 2{int b3;}; derived d
单选题
下列程序段中具有相同值的是()。class Base{int b;}; class Base1:virtual public base{int b1;}; class Base2:virtual public base{int b2;}; class derived:public base1,base 2{int b3;}; derived d