题目
有如下程序:#nclude <iostream>using namespace std;class Base{ public:void fun1() {cout << "Base\n"; }virtual void fun2() {cout << "Base\n"; }};class Derived: public Base{ public:void fun1() {cout << "Derived\n"; }void fun2() {cout << "Derived\n"; }} void f(Base& b) { B. fun1(); B. fun2(); }int main(){Derived obj;f(obj);return 0;}
A.Base Base
B.Base Derived
C.Derived Base
D.Derived Derived
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