单项选择题
A.set Shared Preferences() B.Shared Preferences() C.get Shared Preferences() D.get Preferences()
A./data/<应用包名>/files B./data/data/<应用包名>/file C./data/data/<应用包名>/files D./data/data/files
A.on Option sItem() B.on Option sItem Selected() C.on Activity Result() D.Option sItem Selected()