A developer is designing a web application that must support multiple interfaces，including： an XML web service for B2B HTML for web-based clients WML for wireless customers. Which designpattern provides a solution for this problem？（）
- A、Session Facade
- B、Business Delegate
- C、Data Access Object
- D、Model-View-Controller
- E、Chain of Responsibility
正确答案:D
答案解析:有
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