In the early twentieth century, film companies did not usually have specific scores written for each film because

B

Explanation:

   In the early days of film history, movies were not followed by a sound that matched the images on parade on screen, but that does not mean that they were in favor of absolute silence. Although dreams of synchronizing movie scenes with their own sound recordings were remote, technological advances were still incipient, not allowing this yearning to be realized.

   A great event took place on October 6, 1927 with the screening of Alan Crosland's "The Jazz Singer" in New York. The film was the first to have spoken and sung passages and to use an effective sound system known as Vitaphone, released a year earlier in 1926 by Warner Bros.

   The following year came Bryan Foy's New York Lights, the first fully spoken film. The 1933 King-Kong film is another historic production made by American cinema. This is because it was the first film in which the three tracks were manipulated - dialogues, noise and music - independently, making it possible to mix them. This is where the soundtrack today originated

i would say the answer is b. zigzag lines of the leaves. i believe this is the answer because zigzag lines go in different direction while the other options like: the vertical lines of the trees, the dotted lines on the road, and the curved lines of the park benches go in one direction.

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