You are designing an update to an existing Windows Presentation Foundation (WPF) application. Users can purchase and download photographs from the company’s Web server by using the WPF application. Photographs must be viewable only when logged in as the user who purchased the photographs.

You need to recommend a download location for the photographs.

Which location should you recommend?

A.
the application’s IsolatedStorage folder

B.
the user’s IsolatedStorage folder

C.
the application’s installation folder

D.
the user’s local Temp folder