Filmmakers, by Deciding Which Subjects to Film and How to Depict

Filmmakers, by deciding which subjects to film and how to depict them, express their own unique worldviews through their chosen medium, even if they are giving a realistic depiction of their subject. Thus, films are the filmmaker's interpretation of reality.
The argument's conclusion is properly drawn if which of the following is assumed?

A) Even a realistic subject can have a creative interpretation.
B) Each filmmakers point of view is unique.
C) A realistic depiction of reality is an interpretation of reality.
D) Filmmakers choose their medium in order to depict reality.
E) The choice of what subject to film is the most important in the filmmaking process.