单选题
窗体中有命令按钮Command1,事件过程如下:Public Function f(x As Integer) As Integer Dim y As Integer x = 20 y = 2 f = x * yEnd FunctionPrivate Sub Command1_Click() Dim y As Integer Static x As Integer x = 10 y = 5 y = f(x) Debug.Print x; yEnd Sub运行程序,单击命令按钮,则立即窗口中显示的内容是( )。