单项选择题

程序代码如下,当单击窗体上的Command1控件时,窗体上显示的结果是( )。 Option Base 1 Private Sub Command1_Click() Dim i As Integer Dim x(3,3)As Integer For i=1 To 3 For j=1 To 3 x(i,j)=(i-1)*3+j Next j Next i For i=1 To 3 Print x(i,4-i); Next i End Sub

A.1 5 9
B.1 4 7
C.3 5 7
D.3 6 9