单项选择题

在窗体上画一个名称为Command1的命令按钮,然后编写如下事件过程:
Private Sub Command1_Click()
Dim a(1 To 3, 1 To 3), x
x=Array(1,2,3,4,5,6,7,8,9)
For i=1 To 3
For i-1 To 3
a(i,j)=x(i*j-1)
Next j
Next i
Call sub1(i,j,a())
End Sub
Private Sub sub1(m,n,t)
For m=1 To 3
For n=1 To 3
Print t(m,n);
Next n
Print
Next m
End Sub
程序运行后,单击命令按钮,则窗体上显示的内容是

A.1 2 3
2 5 8
3 6 9
B.1 2 3
2 4 6
3 6 9
C.3 6 9
2 5 8
1 2 3
D.3 6 9
2 4 6
1 2 3