The Primary Purpose of a "Sneak Preview" of a Film

The primary purpose of a "sneak preview" of a film prior to its release, is to

A) rate the performances of the individual actors and actresses for possible Emmy nominations.
B) rate the work of the director and producer for possible Emmy nominations.
C) evaluate the success of pre-release promotion and effectiveness of product placement within the film itself.
D) compare the final film with the original screenplay.
E) identify specific changes that may need to be made prior to final editing and release, to increase the film's likelihood of success.