题目

有如下VB程序段： Dim s(1 To 100) As Integer Dim b(1 To 100) As Integer Dim c As Integer   a(1) = 0: a(2) = 2: b(1) = 1: b(2) = 2: c = 0   For i = 2 To 6       a(i + 1) = 2 *a(i) -a(i - 1)      b(i + 1) =b(i) ^ 2 /b(i - 1)     c =c +a(i + 1) +b(i + 1)   Next i Label1.Caption = Str(c) 该程序运行后，Label1中显示的内容是（  ） A . 46 B . 88 C . 164 D . 76  答案：C

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