• 2022-06-01
    有如下类定义:class XX{int XX;public:xx():xx(0){tout<<A;}XX(int n):xx(n){cout<<B;}};class Y:Y:public XX{int YY;public:YY():YV(O){cout<<YY;)YY(int n):xx(n+1),YY(n){cout<<YY;}YY(int m,int n):XX(m),YY(n){cout<<yy;)};下列选项中,输出结果为A0的语句是
    A: YY yl(0,0);
    B: YY 72(1);
    C: YY y3(0);
    D: YY y4;
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