Which of the sentences below best expresses the essential information in the highlighted s
A.The lack of variety and short life of film reels prevented the industry from experiencing real success.
B.In order to attract larger audiences to their showings, exhibitors needed to expand their stocks of films.
C.Due to difficulties transporting the films long distances, traveling cinemas were not commercially successful.
D.The public soon began demanding higher-quality films, but most exhibitors were unable to obtain them.