Which of the following should replace sentence 4 to effectively state the controlling idea of this paper?
A. There are professionals known as Foley artists, and they got their name from
Jack Foley, who was the first Foley artist.
B. Many of the sound effects that movie audiences hear are made by Foley
artists, film industry professionals whose work is done after the filming of a
movie is complete.
C. The sounds that you and I hear when we go to see a movie were not always
made when the movie was being recorded.
D. Professionals create the things that are in the background in movies,
including galloping horses, pelting rain, and chirping crickets.

here is sentence 4
(4) They are usually made after filming by special artists.