单项选择题

在窗体上绘制一个名称为Label1的标签,然后编写如下事件过程: Private Sub Form_Click()   Dim arr(10,10)As Integer   Dim i As Integer,j As Integer   For i =2 To 4     For j =2 To 4       arr(i,j)=i*j     Next j   Next i   Label1.Caption=Str(arr(2,2)+arr(3,3)) End Sub 程序运行后,单击窗体,在标签中显示的内容是( )。

A.12
B.13
C.14
D.15