Only social scientists are political scientists. Many political scientists are persons who favor campaign finance reform. Accordingly, many persons who favor campaign finance reform are social scientists.
A.
Valid
B.
Invalid
C.
I don't know
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【单选题】在窗体上画四个文本框,并用这四个文本框建立一个控件数组,名称为 Text1 (下标从 0 开始),然后编写如下事件过程: Private Sub Form_Click() For Each TextBox In Text1 Text1(i).Text = Text1(i).Index i = i + 1 Next End Sub 程序运行后 , 单击窗体 , 四个文本框中显示的内容分别为 ____...