For i = 2 To 1000
flag = True:s = i
Do While flag And s >1
For j = 2 To Int(Sqr(s))
If s Mod j = 0 Then
Exit For
End If
Next j
Loop
If flag And s<>1 Then
End If
Next i
Label1.caption=str(c)
上述程序段中方框处可选语句为:
①flag = False ②c = c + 1 ③s = s \ 10
则(1)(2)(3)处语句依次可为( )