有如下程序： #include＜iostream＞ using namespace std; class Base1{ public: Base1(int D){cout＜＜d;} ~Base1(){} };

admin2013-02-27 58

问题有如下程序：
#include＜iostream＞
using namespace std;
class Base1{
public:
Base1(int D){cout＜＜d;}
~Base1(){}
};
class Base2{
public:
Base2(int D){cout＜＜d;}
~Base2 (){}
};
class Derived:public Base1, Base2{
public:
Derived(int a, int b, int c, int D) ;
Base1(B), Base2(
A), b1(D), b2(C){}
Private:
int b1;
int b2;
};
int main(){
Derived d(1, 2, 3, 4);
return 0;
}
运行时的输出结果是( )。A) 1234
B) 2134
C) 12
D) 21

选项 A、
B、
C、
D、

答案D

解析

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本试题收录于：二级C题库NCRE全国计算机二级分类