题目内容
下列程序中横线处正确的语句应该是( )#i ncludeusing namespace std;class Base{ public;void fun( ){cout< < “Base : : fun” < < endl;}};class Derived : public Base{public:void fun( ){_________//显示调用基类的函数fun( )cout < < “Derived : : fun” < < endl;}};
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