题型:填空题 在窗体上画一个名称为Command1的命令按钮,然后编写如下事件过程: Private Sub Command1_Click() Dim a As Integer,s As Integer a = 8 s = 1 Dos = s + aa = a - 1 Loop While a<=0 Print s,a End Sub 程序运行后,单击命令按钮,则窗体上显示的内容是A.7 9B.34 0C.9D.死循环 查看答案