单项选择题

当Form1_Click事件发生时，窗体上显示的第三行是( )。
Option Base 1
Private Sub Form_Click()
Dim i As Integer，j As Integer
Dim k As Integer，a(5，5)As Integer
For i=1 To 5
k=1
For j=1 To 5
If i＜=j Then
a(i，j)=k
k=k+1
Else
a(i，j)=1
End If
Next j
Next i
For i=1 To 5
For j=1 To 5
Print a(i，j)；
Next j
Print
Next i
End Sub

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