Which location should you recommend?

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 user’s IsolatedStorage folder

B.
the user’s local Temp folder