You are developing a Windows Presentation Foundation (WPF) application. You are implementing a test strategy for the application. You need to ensure that the test class can repeat user input. From which base class should the test class inherit?（）
- A、 AutomationElementIdentifier
- B、 AutomationPeer
- C、 Keyboard
- D、 UICues
正确答案:B
答案解析:有
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