Which, inserted independently at XXX, compiles? : Questions « Statements « SCJP

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public class MainClass{
   public static void main(String[] args) {
     int[] x = {7,6,5,4,3,2,1};
     // XXX
       System.out.print(y + " ");
     }
 } 

   A.      for(int y : x) {
   B.      for(x : int y) {
   C.      int y = 0; for(y : x) {
   D.      for(int y=0, z=0; z<x.length; z++) { y = x[z];
   E.      for(int y=0, int z=0; z<x.length; z++) { y = x[z];
   F.      int y = 0; for(int z=0; z<x.length; z++) { y = x[z];