According to movie critics, when adapting a novel to a movie, writers must consider _____.

making sure that the plot follows the novel exactly
that there are more things to consider beyond the plot
that their audiences are usually the generally public and so they must not be too complicated
that the plot must have enough twists and turns for a modern movie-going audience

that certain elements of the novel may need to be altered or omitted for the sake of pacing and visual storytelling.