听力原文:M: Why didn't you stop when we first signaled you at the crossroads? W: Sorry, I was just a bit absent-minded. Anyway, do I have to pay a fine? Q: What do we learn from the conversation? (16)
【单选题】在窗体上画一个命令按钮,然后编写下列程序 Private Sub Command3_Click() Tcl 2 Tcl 3 Tcl 4 End Sub Sub Tcl(a As Integer) Static x As Integer x=x+a Print x End Sub 程序运行后,单击命令按钮,输出结果为