执行下列程序后，鼠标单击窗体，输出结果为______。
Private Sub Form_Click（　）
Print"Click"：
End Sub
Private Sub Form_MouseDown(Button As Integer,Shift As Integer,X As Single,Y As Single)
Print"Down"
End Sub
Private Sub Form_MouseUp(Button As Integer,Shift As Integer,X As Single,Y As Single)
Print "Up"
End Sub

A:DownUpClick B:ClickDownUp C:DownClickUp D:UpDownClick

执行下列程序后，鼠标单击窗体，输出结果为

Private Sub Form_Click（　）

Print "Click"；

End Sub

Private Sub Form_MouseDown(Button As Integer，Shift As Integer，X As Single，Y As Single)

Print "Donw"

End Sub

Private Sub Form_MouseUp(ButtonAs Integer，Shift As Integer，X As Single，Y As Single)

Print "Up"

End Sub

A:DownUpClick B:ClickDownUp C:DownClickUp D:UpDownCliek

执行下列程序后，鼠标单击窗体，输出结果为。　　Private Sub Form_Click（　）　　　Print“Click”；　　End Sub　　Private Sub Form_MouseDown(Button As Integer，Shift_　　　　　　　　　As Integer，X As Single，Y As Single)　　　　　Print “Donw”　　End Sub　　Private Sub Form_MouseUp(Button As Integer，Shift_　　　　　　　　　As Integer，X As Single，Y As Single)　　　　　Print“Up”　　End Sub

A:DownUpClick B:ClickDownUp C:DownClickUp D:UpDownClick

执行下列程序后，鼠标单击窗体，输出结果为
Private Sub Form_Click（　）
Print "Click"；
End Sub
Private Sub Form_MouseDown(Button As Integer，Shift As Integer，X As Single，Y As Single)
Print "Donw"
End Sub
Private Sub Form_MouseUp(Button As Integer，Shift As Integer，X As Single，Y As single)
Print "Up"
End Sub

A:DownUpClick B:ClickDownUp C:DownClickUp D:UpDownclick

执行下列程序后，鼠标单击窗体，输出结果为
Private Sub Form_Click（　）
　　Print"Click"：
End Sub
Private Sub Form_MouseDown(Button As Integer，Shift_As Integer，X As Single，Y As Single)
　　Print"Donw"
End Sub
Private Sub Form_MouseUp(Button As Integer，Shift_As Integer，X As Single，Y As Single)
　　Print"Up"
End Sub

A:DownUpClick B:CfickDownUp C:DownClickUp D:UpDownClick

执行下列程序后，鼠标单击窗体，输出结果为。　　Private Sub Form_Click（　）　　　Print“Click”；　　End Sub　　Private Sub Form_MouseDown(Button As Integer，Shift_　　　　　　　　　As Integer，X As Single，Y As Single)　　　　　Print “Donw”　　End Sub　　Private Sub Form_MouseUp(Button As Integer，Shift_　　　　　　　　　As Integer，X As Single，Y As Single)　　　　　Print“Up”　　End Sub

A:DownUpClick B:ClickDownUp C:DownClickUp D:UpDownClick

下列关于SQL对表的定义的说法中，错误的是（ ）。

A:DownUpClick B:ClickDownUp C:DownClickUp D:UpDownClick

执行下列程序后，鼠标单击窗体，输出结果为 Private Sub Form_Click（　） Print "Click"； End Sub Private Sub Form_MouseDown(Button As Integer，Shift As Integer，X As Single，Y As Single) Print "Donw" End Sub Private Sub Form_MouseUp(ButtonAs Integer，Shift As Integer，X As Single，Y As Single) Print "Up" End Sub

A:DownUpClick B:ClickDownUp C:DownClickUp D:UpDownCliek