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? （） | English | Chinese | Japan | Korean | - 17 - Test Information Co., Ltd. All rights reserved.
- A、
- B、
- C、
- D、
正确答案:A
答案解析:有
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