单项选择题

有如下程序: #include＜iostream＞ using namespace std; class Base{ public: virtual void func1(){cout＜＜"Base 1";} void rune2(){cout＜＜"Base 2";} }; class Derived:public Base{ public: void func1(){cout＜＜"Derived 1";} void func2(){cout＜＜"Derived 2";} }; int main(){ Base *p=new Derived; P-＞func1(); P-＞func2(); return 0: } 运行此程序,屏幕上将显示输出______。