[单选题]

请将下列类定义补充完整。

class Base{public:void fun(){tout<<"Base::fun"<<endl;}};

class Derived:public Base

{

public:

void fun()

{

______//显示调用基类的fun函数

cout<<"Derived::fun"<<endl;

};

参考答案与解析:

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请将下列类定义补充完整。class Base{public:void fun()