Final answer:
The answer is d) Engineering designs.
Step-by-step explanation:
The answer to your question is d) Engineering designs.
According to the U.S. Copyright Office, the eight broad categories of copyrightable work include: literary works, musical works, dramatic works, choreographic works, pantomimes, pictorials, graphics, sculptural works, motion pictures and other audiovisual works, and architectural works. Engineering designs do not fall into any of these categories, therefore it is not one of the eight broad categories of copyrightable work.