运行下列程序:Private Sub Form_Click()Dim sum As Double, i As IntegerFor i = 1 To 20If i

运行下列程序：

Private Sub Form_Click()

Dim sum As Double, i As Integer

For i = 1 To 20

If i Mod 5 = 0 Then

sum = sum + i

End If

Next i

Print sum

End Sub

单击窗体后，则在窗体上显示的结果是()。

A.50

B.100

C.4

D.5050