在窗体上有一名为list1的列表框和名为Command1的命令按钮,要求程序运行后;如果单击命令按钮,则把

在窗体上有一名为list1的列表框和名为Command1的命令按钮，要求程序运行后；如果单击命令按钮，则把列表框中所有的列表项目写到顺序文件list.txt 中。下列能完成该操作的程序是______。

A． Private Sub Command1_Click() Open “c:\list.txt”For Input As #1 For i=0 To Listl.ListCount-1 Print #1，List1.List(i) Next i Close #1 End Sub

B．Private Sub Command1_lick() Open “c:\list.txt”For Output As #1 For i=0 To List1.ListCount Print #1，List1.List(i) Next i Close #1 End Sub

C．Private Sub Command1_Click() Open “c:\list.txt”For Output As #1 For i=0 To List1.ListCount -1 Print #1，List1. List(i) Next i C1ese #1 End Sub

D．Private Sub Command1_Click() Open “c:\list.txt”For As #1 For i=0 To List1.ListCount Print #1，List1.List(i) Next i Close #1 End Sub