单选题 窗体中有命令按钮Commandl,事件过程如下:   Public Function f(x As Integer) As Integer   Dim y As Integer   x=20   y=2   f=x*y   End Function   Private Sub Commandl_Click()   Dim y As Integer   Static x As Integer   x=10   y=5   y=f(x)   Debug .Print x;y   End Sub   运行程序,单击命令按钮,则立即窗口中显示的内容是
【正确答案】 B
【答案解析】