在窗体中添加一个名称为C1的命令按钮,然后编写如下事件代码: Private Sub C1_Click() str='ABAABAAABABBA' For i=6 To 2 Step-2 x=Mid(str,i,i) y=Left(str,i) z=Right(str,i) Next i MsgBox x&y&z End Sub 单击命令按钮,则消息框的输出结果是( )。
A.
ABBAAB
B.
ABBABA
C.
BABABA
D.
BAABBA
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举一反三
【判断题】Domestic stories were considered more suitable for girls in the 18th and 19th centuries.
【单选题】The Industrial Revolution refers to the ______ and the consequent changes in social and economic organizations in Britain in the 18th and 19th centuries.