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.