单选题 阅读下面程序：
Option Base 1
Dim arr()As Integer
Private Sub Form_Click()
Dim i As Integer,j As Integer
ReDim arr(3,2)
For i=1 To 3
For j=1 To 2
arr(i,j)=i*2+j
Next j
Next i
ReDim Preserve arr(3,4)
For j=3 To 4
arr(3,j)=j+9
Next j
Print arr(3,2)+arr(3,4)
End Sub
程序运行后，单击窗体，输出结果为______。