题目

有VB编写的程序如下： Dim a(0 To 9) As Integer, t as Long t=Val(Text1.Text) Do While t<>0  a(t Mod 10) = 1  t = t \ 10 Loop For i = 0 To 9  x = x + a(i) Next i Text1中输入10242048，则程序执行后x的值为（  ） A . 1 B . 2 C . 5 D . 10 答案：C

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