Let’s just read this little bit_____you’ve make a mistake.

A．that

B．which

C．when

D．where

下面程序运行后，单击命令按钮，输出的结果是______。
Private Sub Command1_Click()
Dim a%(1 To 5),1%,s#
For i=1 To 5
a(i)=i
Next
s=Fun(A)
Print“s=”；s；
End Sub
Function Fun(a() As Integer)
Dim t#,i%
t=1
For i=LBound(A) To UBound(A)
t=t*a(i)
Next
Fun=t
End Function