题目内容

若有以下程序: #include<iostream> usingnamespacestd; classA private: int x; public: int x; void setx(int i) x=i; int getx() return x; ; class B:public A private: int m; public: int p; void setvalue (int a,int b,int C) setx(

A. ;
B. z=b;
C. m=c;
D. void display()
E. cout<<getx()<<","<<z<<","<<m<<end1;
F. ;
G. int main()
H. B obj;
I. obj.setvalue(2,3,4);
J. obj.display();
K. return 0;
L. 程序运行以后的输出结果是A) 产生语法错误
M. 2,3,4
N. 2,2,2
O. 4,3,2

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