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單項選擇題

You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. 
You write the following code fragment. 
 
You need to ensure that the style is applied to all labels within the application. 
What should you do?()

A. Add the style to the <Grid.Resources> section of the main window. 
B. Add the style to the <Window.Resources> section of the main window.
C. Add the style to the <Application.Resources> section of the App.xaml file. 
D. Add the style to the <Application.Properties> section of the App.xaml file.
E. Add the style to the <ResourceDictionary> section of the ResourceDictionary.xaml file.

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