执行下面的程序，输出的结果是 ______ 。
Private Sub Command1_Click()
ch $ = "Welcome to China!"
n = Len(ch $ )
For i =1 To n-1
s$ =Mid(ch$ ,i,1)
If s$ ="o" Then m=m + 1
Next i
Print m
End Sub

单项选择题以下程序的输出结果是 ______。 Dim n(2,2), i, j As Integer For i = 0 To 2 For j = 0 To 2 n(i,j) = i + j Next j Next i For i = 0 To 1 For j = 0 To 1 n(i+ 1 ,j + 1) = n(i + 1,j + 1) + n(i, j) Next j Next i Print n(i, j)

单项选择题软件测试过程是软件开发过程的逆过程，其最基础性的测试应是 ______ 。