which is the correct option for c language coding?

Consider the following program which reads integers from a text file: 1 include 2 3 int main(void) 4 S int x, 6 7 FILE *2; 8 9 zefopenmyfile.txt","r"): 10 11 do 12 13 * fscanf("%d", &n): 14 IS printf("We read in d\" ); 16 17 while - EOF) 18 19 return 20 ) At which line should we insert an if statement which checks that a valid data item has been read from the file? A. Line 10 B. Line 12 C. Line 14 D. Line 18