![](https://lstatic.shangxueba.com/jiandati/pc/images/pc_jdt_tittleico.png)
在窗体上画—个命令按钮(名称为Command1),并编写如下代码:Function Fun1 (ByVala As Integer, b A
在窗体上画—个命令按钮(名称为Command1),并编写如下代码:Function Fun1 (ByVala As Integer, b As Integer)As Integer Dim t As Integer t=a-b b=t+ a Fun 1=t+ bEnd FunctionPrivate Sub Command1_ Click() Dim x As Integer x=10 Print Fun1(Fun1 (x,(Fun1(x,x-1))),x-1)End Sub程序运行后,单击命令按钮,输出结果是 ______。
A.10
B.0
C.11
D.21
![](https://lstatic.shangxueba.com/jiandati/pc/images/jdt_panel_vip.png)