C Programming Quizzes Multiple Choice set of C Language Basic questions

Directions:
Determine Output:

Question:
void main()
{
      static int var = 5;
      printf("%d ", var--);
      if(var)
            main();
}

Option A):
5 5 5 5 5
Option B):
None
Option C):
Infinite Loop
Option D):
5 4 3 2 1

Correct Answer is Option D):
5 4 3 2 1