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题目内容 (请给出正确答案)

下面程序输出的结果为

#include"iostream.h"

class A

{

public:

A( ){cout<<"CLASS A"<<endl;}

~A( ){}

};

class B:public A

{

public:

B( ){cout<<"CLASS B"<<endl;}

~B( ){}

};

void main( )

{

A*p;

p=new B;

B *q;

q=new B;

}

A.CLASS A CLASS B

B.CLASS A CLASS B CLASS B

C.CLASS A CLASS B CLASS A CLASS B

D.CLASS A CLASS B CLASS B CLASS B


参考答案

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