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

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

• (A) 0
• (B) 2
• (C) Compilation error
• (D) None of these