Q. What is the output of the following C++ code?

#include <iostream>
using namespace std;
void Sum(int a, int b, int & c)
{
  a = b + c;
  b = a + c;
  c = a + b;
}
int main()
{
  int a = 2, b =1;
  Sum(a, b, b);
  cout << a << " " << b;
  return 0;
}

• (A) 2 1
• (B) 2 3
• (C) 2 5
• (D) 3 5