What is the result?

Given:

1. class Alligator {
2. public static void main(String[] args) {
3. int[] x[] = { { 1, 2 }, { 3, 4, 5 }, { 6, 7, 8, 9 } };
4. int[][] y = x;
5. System.out.println(y[2][1]);
6. }
7. }

What is the result?

A.
2

B.
3

C.
4

D.
6

E.
7

F.
Compilation fails.