单项选择题
	下面程序运行时,若输入“Visual Basic Programming”,则在窗体上输出的是()
	  Private Sub Comand1_Click()
	  Dim count(25) As Integer, ch As String
	  ch=Ucase(InputBox("请输入字母字符串"))
	  For k=1 To Len(ch)
	  n=Asc(Mid(ch,k,1))-Asc("A")
	  If n>=0 Then
	  Count(n)=Count(n)+ 1
	  End If
	  Next k
	  m=count(0)
	  For k=1 To 25
	  If m< p>
	  m=count(k)
	  End If
	  Next k
	  Print m
	  End Sub
	A.0
	B.1
	C.2
	D.3