题型:判断题 若有以下程序: #include<iostream> using namespace std; class Base public: void who()cout<<"Base"<<end1; class Derived1:public Base public:void who()cout<<"Derived"<<end1; ; int main() Base *p; Derived1 obj1; p=&obj1; p—>who(); return 0; 则该程序运行后的输出结果是 【9】 查看答案