What will be the output of the following C++ code?

#include<iostream>
using namespace std;
class A
{
  ~A(){
     cout<<"Destructor called\n";
   }
};
int main()
{
    A *a1 = new A();
    A *a2 = new A();
    return 0;
}

A. .cpp B. .cc C. .cxx D. .c

A. char B. float C. boolean D. double

A. File output stream B. File input stream C. Standard output stream D. Standard input stream

A. struct B. interface C. class D. object