Which of the following is mentioned in paragraph 6 as one of the ways the Mutoscope differed from the Kinetoscope? A. Sound and motion were simultaneously produced in the Mutoscope. B. More than one person could view the images at the same time with the Mutoscope. C. The Mutoscope was a less sophisticated earlier prototype of the Kinetoscope. D. A different type of material was used to produce the images used in the Mutoscope.