【单选题】下面程序的结果是(   )。   #include<iostream.h>   class test{ private:         int num;       public:        test( );        int getint( ) {return num;}        ~test( );};   test::test( )   { num=0;}   test::~test( )   { cout<<"Destructor is active"<<endl;}   void main( )   { test x[3];     cout<<"Exiting main"<<endl;} 
A、Exiting main  Destructor is active  Destructor is active  Destructor is active
B.Exiting main  Destructor is active  Destructoris active
C.Exiting main  Destructoris active
D.Exiting main
网考网参考答案:A
网考网解析:
C++语言中析构函数是在程序退出不用该类的对象时进行调用。
                 
				 
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