题目内容
(请给出正确答案)
[主观题]
在窗体上画一个名称为Command1的命令按钮和3个名称分别为Label1, Label2, Label3的标签,然后编写
如下代码: Private x As Integer Private Sub Command1_Click() Static y As Integer Dim z As Integer n= 10 z = n + z y = y + z x = x + z Label1.Caption = x LabelCaption = y LabelCaption = z End Sub 运行程序,连续三次单击命令按钮后,则3个标签中显示的内容分别是
A.10 10 10
B.30 30 30
C.30 30 10
D.10 30 30
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