Which of the following is the best definition of a "classical film score"?
A. A style of film music made popular in the early 1930s, using leitmotif, thematic transformation, and full orchestral timbre in support of character, mood, setting, and action
B. A style of film music made popular in the middle 1920s, using leitmotif, thematic transformation, and full orchestral timbre in support of character, mood, setting, and action
C. A style of film music made popular in the middle 1920s, using small groups of instruments, modern harmonies, and melody-dominated music to support the theme of a movie
D. A style of film music made popular in the early 1930s, using small groups of instruments, modern harmonies, and melody-dominated music to support the theme of a movie