单项选择题

在窗体上画一个名为Command1的命令按钮，然后编写如下代码： Option Base 1 Private Sub Command1_ Click() Dim arr(4, 4) For i = 1 To 4 For j = 1 To 4 arr(i, j) = (i - 1) * 3 + j Next j Next i For i = 1 To 2 For j = 1 To 2 Print arr(i, j) Next j Next i End Sub程序运行后，单击命令按钮，输出结果为______ 。