在窗体上画一个命令按钮,然后编写如下事件过程: Private Sub Command1_Click( ) Dim m As Integer,n As Integer,p As Integer m=3:n=5:p=O Call Y(m,n,p) Print Str(p) End Sub Sub Y(ByVal i As Integer,ByVal j As Integer,k As Integer) k=i + j End Sub 程序运行后,如果单击命令按钮,则在窗体上显示的内容是( )。
A.4
B.6
C.8
D.10