The public interest comprises many interests and the broadcast media must serve all of them. Perhaps most television viewers would prefer an action show to an opera. But a constant stream of action shows on all channels is not in the public interest. Thus, __. Which one of the following most logically completes the argument? ["broadcasters' obligations are not satisfied if they look only to popularity to decide their programming schedules", 'the popularity of a television program is a poor indicator of its artistic quality', 'broadcast media could be rightly accused of neglecting the public interest only if all channels carried mostly action shows', 'television networks should broadcast more artistic and cultural shows and fewer action shows']