问题：
[单选题]
You are developing a Windows Presentation Foundation (WPF) application for a travel reservation system
You need to ensure that users can select a range of travel dates.
What should you do ?（）
A、Add single DatePicker control to the design surface
B、Add single Calendar control to the design surface
C、Add single MediaElement control to the design surface to display a calendar
D、Add the appropriate Windows Forms references to the project references. Add a single Windows Forms DateTimePicker control to the design surface
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