单项选择题

在窗体上画一个名称为Commandl的命令按钮，然后编写如下事件过程：
Private Sub Command1_Click()
Dim n As Integer
For n = 0 To 9 Step 3
Print rel(n)；
Next n
End Sub
Private Function rel(ByVal i As Integer)As Integer
Dim x As Integer
x = 0
For j = 1 To i
If i ＜ 5 Then rel = i： EXit Function
x = x + i
Next i
rel = x
End Function
程序运行后，单击命令按钮，则窗体上显示的内容是

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