C++ |继承|问题2

输出?

#include   
using namespace std;
  
class Base1 {
 public:
     ~Base1()  { cout << " Base1's destructor" << endl; }
};
    
class Base2 {
 public:
     ~Base2()  { cout << " Base2's destructor" << endl; }
};
    
class Derived: public Base1, public Base2 {
   public:
     ~Derived()  { cout << " Derived's destructor" << endl; }
};
    
int main()
{
   Derived d;
   return 0;
}

(一种)

Base1's destructor
Base2's destructor
Derived's destructor

(B)

Derived's destructor
Base2's destructor
Base1's destructor

(C)

Derived's destructor

(D)编译器相关答案： (B)
说明：析构函数总是以相反的顺序调用。
这个问题的测验

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