how to make this program and run it . also tell me which of them down below is correct and also dry run the code ?

6. Linked List elements: 2 3 5 6 7 8 9 int check (double x) { Node currNode head; int currIndex while (currNode!=NULL && currNode->data != x) currNode currNode -->next; currIndex++; if (currNode!=NULL) return currIndex; else return 8; main() { check(9); } Find the output Single choice. (2 points) LE 6 I I un