What is the result of the following function to start pointing to the first node of follow linked list?

A. 1 4 6 6 4 1 B. 1 3 5 1 3 5 C. 1 2 3 5 D. 1 3 5 5 3 1

1->2->3->4->5->6 void fun (struct node* start) { } if (start = NULL) return; printf("%d ", start->data); if (start->next != NULL ) fun (start->next->next); printf ("%d ", start->data);