i = 1: j = 8: k = 4
Randomize
Key = (Int(Rnd * 4)+20)*4
Do While i <= j
m = (i + j) \ 2
If Key = a(m) Then
Exit Do
ElseIf Key < a(m) Then
j = m - 1: k = k / 2
Else
i = m + 1: k = k * 2
End If
Loop
数组元素a(1)到a(8)的值依次为“80,82,84,86,88,90,92,94”,执行该程序段后,变量k的值可能是( )