Answer is E.
To test:
public static void main(String[] args) {
int [][] arr = new int [2] [4];
arr[0] = new int [] {1, 3, 5, 7};
arr[1] = new int [] {1, 3};
for(int[] a: arr) {
for(int i : a) {
System.out.println(i+ " ");
}
System.out.println();
}
}
Correct, because the "int [2] [4]" It says it's a 2-row, 4-column matrix.
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C. 
D. 
E. 
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