![](https://lstatic.shangxueba.com/jiandati/pc/images/pc_jdt_tittleico.png)
有如下事件过程:Private Sub Command1_Click() b=10 Do Until b =-1 a = InputBox("请输入a的值"
有如下事件过程: Private Sub Command1_Click() b=10 Do Until b =-1 a = InputBox("请输入a的值") a = Val(a)b = InputBox("请输入b值") b = Val(b)a=a*b Loop Print a End Sub 程序运行后,依次输入数值30,20,10,-1后,输出结果为()。
A.6000
B.-10
C.200
D.-6000
![](https://lstatic.shangxueba.com/jiandati/pc/images/jdt_panel_vip.png)