单选题 设有如下程序：
Private Sub Form_Click()
Dim a
Dim i As Integer,j As Integer
a=Array(1,2,3,4,5,6,7,8,9)
For i=0 To 3
Print a(5-i);
Next
End Sub
程序运行后，单击窗体，则在窗体上显示的是