单项选择题

阅读程序:
Option Base 1
Dim art()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 ale(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

A.21
B.13
C.8
D.25