You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. You create a composite custom control named MyControl. 
You need to add an instance of the OrderFormData control to the MyControl control. 
Which code segment should you use？（）

You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. You create the following controls： 
a composite custom control named MyControl. a templated custom control named OrderFormData.  
You write the following code segment to override the method named CreateChildControls（） in the MyControl class：  
01 protected override void CreateChildControls（） 
02 {  
03   Controls.Clear（）；  
04   OrderFormData oFData = new  
05     OrderFormData（"OrderForm"）；  
06 ► 
07 }   
You need to add the OrderFormData control to the MyControl control. 
Which code segment should you insert at line 06？ （）