单选题：有如下程序： #include<iostream>using namespace std； class Base{p

题目分类：C++
题目类型：单选题
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题目内容：

有如下程序：
#include<iostream>
using namespace std；
class Base
{
public：
void funl(){cout<<”Base＼n”；}
virtual void fun2(){eout<<”Base＼n”；}
}；
class Derived：public Base{
public：
void funl(){eout<<”Derived、n”；}
void fura(){eout<．<”Derived＼n”；}
}；
void f(Base&B．}b．funl()；b．ftm2()；}
int main()
{
Derived obj；
f(obj)；
return 0；
}
执行这个程序的输出结果是（　　）。 A．Base
Base
B．Base
Derived
C．Derived
Base
D．Derived
Derived

参考答案：

答案解析：

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