Question

how did new technologies affect motion pictures in the 1920s?
motion pictures were now produced exclusively in color.
motion pictures could now be viewed at home.
motion pictures could now be shown in sports stadiums.
motion pictures could now be produced with sound.

Explanation:

The 1920s saw the introduction of synchronized sound technology in motion pictures, starting with "The Jazz Singer" (1927). Color films were not exclusive then; home viewing and stadium screenings were not mainstream 1920s developments.

Answer:

D. Motion pictures could now be produced with sound.