下列程序中画线处应填入的语句是class Base{public:void fun(){cout<<"Base of fun"<<end1;}};c
下列程序中画线处应填入的语句是 class Base { public: void fun(){cout<<"Base of fun"<<end1;} }; class Derived:public Base { void fun() { ______//显示基类的成员函数fun cout<
A.fun();
B.Base.fun();
C.Base: :fun();
D.Base->fun();