C Programming Quizzes Multiple Choice set of C Language Basic questions

Directions:
Determine Output:

Question:
#include<stdio.h>
void main()
{
      register i=5;
      char j[]= "hello";
      printf("%s %d", j, i);
}

Option A):
None
Option B):
hello garbage value
Option C):
hello 5
Option D):
Error

Correct Answer is Option C):
hello 5