有如下程序:#include <iostream>using namespace std;using namespace std;class Base{public:vo
有如下程序: #include <iostream> using namespace std; using namespace std; class Base{ public: void fun(){cout<<"Base::fun"<<endl:} }; class Derived:public Base{ public: void fun(){ eout<<"Derived::fun"<<endl: } }; int main(){ Derived d; d.fun(); return 0; } 已知其执行后的输出结果为: Base::fun Derived::fun 则程序中下画线处应填入的语句是
A.Base.fun();
B.Base::fun();
C.Base->fun();
D.fun();