单项选择题

阅读程序：
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
Next
ReDim Preserve arr(3，4)
For j=3 To 4
arr(3，j)=j+9
Next
Print arr(3，2)+arr(3，4)
End Sub
程序运行后，单击窗体，输出结果为