某程序段如下:Private Sub Command1_Click() Dim s As Integer,m As Integer,i As Integer m=5:s=0 For i=1 To m s=s + add(i) Next i Text 1.Text=Str(s)End SubFunction add(n As Integer)As Integer If n=1 Or n=2 Then add=1 Else add=2*(add(n-1)+ add(n-2))End Function运行该段程序后,标签 Textl 中显示的值是 ( )
A . 16
B . 44
C . 6
D . 32
答案:B