—I didn’t know your telephone number in Paris; otherwise, I ______ you.

—Oh, I would rather you ______ me.

A．would have called; had called

B．would ring; call

C．would have called; called

D．would ring; had called

程序如下：
Private Sub form_ Activate()
Dim a As Integer
for i=4 To 5
a=fun(i)
Print a,
Next i
End Sub
Private Function fun(n)As Integer
if n ＞0 then
fun =n* fun(n-1)
Else
fun=1
End if
End Function
程序最后打印结果是______。

A．4 5

B．12 120

C．24 120

D．24 60