[单项选择题] 设有如下程序： Private Sub Form_Click() Dim s As Long, f As Long Dim n As Integer, i As Integer

[单项选择题] 设有如下程序：

Private Sub Form_Click()

Dim s As Long, f As Long

Dim n As Integer, i As Integer

f=1

n=4

For i=1 To n

f=f*i

s=s+f

Next i

Print s

End Sub

程序运行后，单击窗体，输出结果是( )。

A．32

B．33

C．34

D．35