【简答题】在窗体上画一个命令按钮,然后编写如下程序: Dim x As Integer Sub inc(a As Integer) x=x+a End Sub Private Sub Command1_Click() inc 2 inc 3 inc 4 Msgbox x; End Sub 程序执行后,单击Command1命令按钮,消息框显示结果是【 】。
【简答题】A.He failed to finish the experiment that day. B.Hs hasn't had time to do the experiment. C.He did only part of the experiment. D.The experiment turned out well.