如下程序段中,MIN的结果是（）Dim A As SingleA = InputBox("请输入数据A:")MAX = AMIN = AWhile A > 0 A = InputBox("请输入数据A:") If A < 0 Then A = -1 End If If A > MAX Then MAX = A End If If A < MIN Then MIN = A End IfWendMsgBox "MAX=" & MAXMsgBox "MIN=" & MIN