单选题 设有如下程序：
Option Base 1
Private Sub Form_Click()
Dim a(5) As String, i As Integer
For i=1 To 5
a(i)=Chr(Asc("A")+i)
Call f(a, i)
Next i
End Sub
Sub f(ta()As String, n As Integer)
Dim i As Integer
For i=1 To n
Print ta(i);
Next i
Print
End Sub
时上述程序，以下叙述中正确的是______。