单选题

确定如下语句运行时输出什么？ class base { public:...

Question

确定如下语句运行时输出什么？

class base
{
	public:
	    virtual void func(){cout << "base" << endl}
}
class derived : public base
{
	public: 
            void func(){cout << "derived" << endl}
}
derived dr 
base *pbs =&dr
pbs->func()

A. base

C. base<br>derived

D. derived<br>base

B. derived