在窗体上画一个按钮，然后编写如下的事件代码。在按钮上单击，输出为( )。 Option Base 1 Private Sub fun (a()As Integer，n As Integer) For i=1 To 2 t=a(i)：a(i)=a(5-i+1)：a(5-i+1)=t Next i End Sub Private Sub Command1_Click() Dim arr1(5)As Integer For i=1 To 5 arr1(i)=i Next i Call fun(arr1，5) Print arr1(1)；arr1(2) End Sub