单项选择题
如果需要在Myform=CreateObject("Form")所创建的表单对象Myform中添加commandl按钮对象，应当使用命令 ______。
A．Add Object Commandl AS commandbutton
B．MyforAddobject("commandl","commandbutton")
C．MyforAddobject("commandbutton","commandl")
D．commandl=Addobject("comandl"，"commandbutton")