题目

阅读下列程序代码: Dim s As String, c As StringDim i As Integer, n As Integer, p As Integers = Text1.Textn = Len(s)p = 1For i = 1 To n c = Mid(s, i, 1) If c >= A And c <= Z Then t = c + t Else t = Mid(t, 1, p - 1) + c + Mid(t, p, Len(t) - p + 1) p = p + 1 End IfNext i Text2.Text = t 如果文本框Text1中输入“ABCD@1234”,则文本框Text2中输出( ) A . ABCD@1234 B . @1234ABCD C . @1234DCBA D . 1234@ABCD太阳系中,距离太阳最远的行星是:A.水星 B.土星 C.天王星 D.海王星
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