For i = 5 To 4 Step -1

        k = i

        For j = 6 - i To 1 Step -1

           If a(j) < a(k) Then k = j

        Next j

        If i <> k Then

           t = a(i): a(i) = a(k): a(k) = t

        End If

    Next i

数组元素a(1)到a(5)的值依次为“41，66，70，83，31”，经过该程序段“加工”后，数组元素a(1)到a(5)的值依次为（  ）

      flag = True : i = 1

      Do While i <= 6

          x = Int(Rnd * 100) + 1 

          If flag Or x >50 Then

               a(i)=x

               flag = Not flag

               i = i + 1

          End if

      Loop

执行该程序段后，在下列选项中，a（1）～a（6）各元素值不可能的是（  ）

执行该算法，依次输入a的值为3，5，2后，算法的输出结果为(     )

实现上述功能的VB程序如下，请在划线处填入合适的代码。

Private Sub Command1_Click()

Dim s1 As String

Dim s2 As String

Dim s3 As String

Dim l1 As Integer

Dim l2 As Integer

Dim l3 As Integer

Dim a(1 To 100) As Integer

Dim b(1 To 100) As Integer

Dim c(1 To 100) As Integer

Dim t As Integer

s1 = Text1.Text

s2 = Text2.Text

l1 = Len(s1)

l2 = Len(s2)

For i = l1 To 1 Step -1

 a(i) ={#blank#}1{#/blank#}

Next

For i = l2 To 1 Step -1

 b(i) =Val(Mid(s2, l2 - i + 1, 1))

Next

If l1 > l2 Then l3 = l1 Else l3 = l2

t = 0

For i = 1 To l3

  c(i) = a(i) + b(i) + t

  t = c(i) \ 10

  c(i) ={#blank#}2{#/blank#}

Next

For i = 1 To l3

  s3 = Str(c(i)) + s3

Next

If{#blank#}3{#/blank#}Then s3 = “1” + s3

Text3.Text = s3

End Sub

    a(1) = 1

    For i = 2 To 12

      a(i) = a(i - 1) + Int(Rnd * 2) + 1

    Next i

    Key = Val(Text1.Text)

    i = 1: j = 12: cnt = 1: flag = False

    Do While i <= j And flag = False

      cnt = cnt + 1

      m = (i + j + 1) \ 2

      If a(m) = Key Then

        flag = True

      ElseIf Key > a(m) Then

        i = m + 1

      Else

        j = m - 1

      End If

    Loop

程序运行后，下列说法正确的是（  ）