L = 0: R = 7: i = 1

Do While i < R

    If a(i) = 0 Then

        L = L + 1

        t = a(i): a(i) = a(L): a(L) = t i = i + 1

    ElseIf a(i) = 2 Then

        R = R - 1

        t = a(i): a(i) = a(R): a(R) = t

    Else

        i = i + 1

    End If

Loop

数组元素 a(1)到 a(6)的值依次为“2，0，2，1，1，0”。执行该程序段后，下列说法不正确的是（  ）

Dim a(1 To 5) As Integer

a(1) = 1

For i = 2 To 5

    a(i) = Int(Rnd * 5) + 1

    If a(i) Mod 2 = 0 Then

         a(i) = a(i) + i

    Else

        a(i) = a(i) + a(i - 1)

    End If

Next i

a(1)~a(5)的值不可能的是（   ）