Paragraph 2 suggests which of the following about Eisenstein's film The Battleship Potemkirf? A. The film was not accompanied by sound before its Berlin screening. B. The film was unpopular in the Soviet Union before it was screened in Berlin. C. Eisenstein's film was the first instance of collaboration between a director and a composer. D. Eisenstein believed that the musical score in a film was as important as dialogue.