key = Val(Text1.Text)
s = ""
i = 1: j = 10
Do While i <= j
m = (i + j) \ 2
s = s + Str(m)
If a(m) = key Then Exit Do
If a(m) > key Then j = m - 1 Else i = m + 1
Loop
Label1.Caption = s
数组元素a(1)到a(10)依次存放10个升序的整数。在文本框Text1中输入一个任意整数执行该程序段,标签Label上中显示的内容可能的是( )