单选题 在窗体上画1个命令按钮，名称为Command1，然后编写如下程序： Dim Flag As Boolean Private Sub Command1 Click() Dim intNum As Integer intNum＝InputBox("请输入：") If Flag Then Print f(intNum) End If End Sub Function f(X as Integer)As Integer If X＜10 Then Y＝X Else Y＝X＋10 End If f＝Y End Function Private Sub Form_MouseUp(Button As Integer,Shift As Integer,X as Single，Y As Single) Flag＝True End Sub 运行程序，首先单击窗体，然后单击命令按钮，在输入对话框中输入5，则程序的输出结果为( )。