You are designing a Windows Presentation Foundation (WPF) application that displays thumbnail images of photographs. The thumbnails are arranged in rows and columns.

The number of columns must automatically update based on the size of the application window.

You need to recommend a container for displaying all the thumbnail images at the same size.

Which container should you recommend?

A.
a WrapPanel control

B.
a StackPanel control

C.
a Canvas control

D.
a DockPanel control