在窗体上画一个名称为Command1的命令按钮，然后编写如下事件过程： Private SubCommand1_Click() Dim num As Integer num=1 DO Until mum＞6 Print num； num=num+2.4 Loop End Sub 程序运行后，单击命令按钮，则窗体上显示的内容是 ______。

A．Private Sub Command Click() CommonDialogFileName＝"SaveFile" CommonDialogFilte＝"All Files|*.*|(*.tx|*.txt|(*.do |*.doc" CommonDialogFilterIndex＝2 CommonDialogDialogTitle＝"Save" CommonDialogAction＝2 End Sub
B．Private Sub Commandl_Click() CommonDialog FileName="SaveFile" CommonDialog Filter= "All Files| *. * | (*. tx[*. txt| *. doc| *. doc" CommonDialog FilterIndex= 1 ComonDialog DialogTitle = "Save" CommonDialog Action= 2 End Sub
C．Private Sub Cmmandl_Click() CommonDialog FileName= "Save" CommonDialog FiLter="All Files | *. * |(*. tx|*. txt|(*. do |*. doc" CommonDialog FilterIndex= 2 CommonDialog DialogTitle = "SaveFile" CommonDialog Action= 2 End Sub
D．Private Sub Commandl_Click() CommonDialog FileName = "SaveFile" CommonDialog Filter= "All Files|*. *|(*. tx|*. txt| (*. do |*. doc" CommonDialog FilterIndex=1 CommonDialog DialogTitle= "Save" CommonDialog Action=1 End Sub

A．eeeee
B．EEEEE
C．eeeeee
D．EEEEEE