Predict the output of following program.


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Predict the output of following program.

#include 
 using namespace std;
 class A
 {
 protected:
     int x;
 public:
     A() {x = 0;}
     friend void show();
 };
  
 class B: public A
 {
 public:
     B() : y (0) {}
 private:
     int y;
 };
  
 void show()
 {
     A a;
     B b;
     cout << "The default value of A::x = " << a.x << " ";
     cout << "The default value of B::y = " << b.y;
 }

A. The default value of A::x = 0 The default value of B::y = 0
B. Compiler Dependent
C. Compiler Error in show() because y is private in class b
D. Compiler Error in show() because x is protected in class A