Key = Int(Rnd * 25) * 2
n = 0: i = 1: j = 10
Do While i <= j
m = (i + j) \ 2
If Key = a(m) Then
Exit Do
If Key < a(m) Then
j = m - 1: n = n + 1
Else
i = m + 1: n = n - 1
End If
Loop
Text2.Text = Str(n)
其中 a(1)到 a(10)数组的值分别“2,3,6,9,10,18,38,40,47,48”, 执行该程序段后,n 的值不可能的是( )