Dim a(1 To 6) As Integer
‘产生6个1-100的随机数,存放到数组a中,代码略
For i = 1 To 3 Step 2
If a(i) < a(i + 2) Then
tmp = a(i): a(i) = a(i + 2): a(i + 2) = tmp
End If
Next i
执行该程序段后,数组元素a(1)到a(6)的值不可能的是( )