题目

有如下程序段: i = 1Do While i <= 5      If i = 0 or a(i - 1) <= a(i) Then        i = i + 1      Else        t = a(i): a(i) = a(i - 1): a(i - 1) = t        i = i - 1      End IfLoopFor i = 1 To 5      List2.AddItem  a(i)Next i数组元素a(0)到a(5)的值依次为“0,71,22,48,79,27”,经过该程序段“加工”后,数组元素a(4)的值为(   ) A . 0 B . 71 C . 48 D . 27 答案:B
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