Final answer:
Screening the answer print to preview audiences is most useful for an executive of a contemporary production company because it generates salient data about audience response and allows for control of the film's reception. Option A is correct.
Step-by-step explanation:
Screening the answer print to preview audiences is most useful for an executive of a contemporary production company because it generates salient data about how particular audiences might respond to the film. This allows the production company to gauge the reception of the film and make any necessary changes before its official release. Additionally, the feedback from preview audiences can help the company control the reception of the film by addressing any concerns or issues raised by the audience.