题目

【加试题】数组元素d(1) = 2: d(2) = 3: d(3) = 5: d(4) = 7: d(5) = 11:d(6) = 13: d(7) = 17: d(8) = 19: d(9) = 23，经过该程序段“加工”后，变量s的值是（  ） Dim d(1 To 9) As Integer, s As String Dim L As Integer, R As Integer, M As Integer, key As Integer L = 1: R = 9 s = "": key =13 Do While L <= R M = (L + R + 1) \ 2 If d(M) = key Then L = 10 If d(M) < key Then L = M + 1 Else R = M - 1 s = s + Str(M) Loop A . “5876” B . 5876 C . 587 D . “587” 答案：A

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