Visit the link below (BFI Screen Online Website) and have a look at the Film section - there's some really useful stuff on Industry and Audiences that will help with Section B of the exam.
http://www.screenonline.org.uk/
The following links will take you straight to pages that relate to:
Production (film studios and industry bodies): http://www.screenonline.org.uk/film/studios.html
Distribution: http://www.screenonline.org.uk/film/distribution/distribution1.html
Exhibition: http://www.screenonline.org.uk/film/cinemas/sect1.html
