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对于以下程序,若执行文本框text1中输入"abcd ",则以下说法错误的是() Dim s As String Dim p As String Dim a As String Dim i As Integer a = Text1.Text s = "" For i = 1 To Len(a) p = Mid(a, i, 1) s = p & s Next i Text2.Text = s
A.
变量p中四次循环分别赋值为"a ", "b ", "c ", "d "
B.
程序实现将文本框text1中的文本内容逆序输出在文本框text2中
C.
若运行该在文本框text1中输入汉字字符,文本框text2中无法正确显示汉字逆串
D.
若把s=p & s换成s=s & p,则程序将输出文本框text1中的文本内容