Consider the following C function C void swap (int a, int b) { int temp; temp…

void swap (int a, int b)
{
   int temp;
   temp = a;
   a = b;
   b = temp;
}

1. A.

   Call swap (x, y)

2. B.

   Call swap (&x, &y)

3. C.

   swap(x,y) cannot be used as it does not return any value

4. D.

   swap(x,y) cannot be used as the parameters are passed by value

Attempted by 1075 students.