题目

有如下VB程序段: For i=2 To 5   j = i   k = a(j)   Do While a (j-1) < k And j > 1     a(j) = a (j-1)   Loop   a (j) = k Next i 数组元素a(1)~a(5)的值依次为79,20,34,5661,该程序段运行后,数组元素a(1)~a(5)的值依次是(  ) A . 79,56,34,20,61 B . 79,61,56,34,20 C . 20,34,56,61,79 D . 20,34,56,79,61 答案:B
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