单项选择题有如下程序:Option Base 1Dim arr() As IntegerPrivate Sub Form_Click()Dim i As Integer, j As IntegerReDim arr(3,2)For i=1 To 3for j=1 To 2arr(i,j)=i*2+jNext jNext iReDim Preserve arr(3,4)For j=3 To 4arr(3,j)=j+9Next jPrint arr(3,2); arr(3,4)End Sub程序运行后,单击窗体,输出结果为
A.8 13
B.0 13
C.7 12
D.0 0