单项选择题

下列程序的功能是:将数据1,1,…,8写入顺序文件Num.txt中,请选择正确的程序段( )。

Private Sub Form_Click()

Dim i As Integer

Open"Num.txt"For Output As #1

For i=1 To 8

______

Next i

Close #1

End Sub

A.print#1,i
B.input#1,I
C.print#1
D.input#1