I don't see the passage, but an antagonist is a villain, or in other words a negative role.
The correct answer is: Inventions.
Copyrights can apply to art, literature, and music. But when it comes to inventions, it is called "patent." If a product or invention was patented by an inventor, he owns all the rights including the manufacturing, production, and distribution.
Answer:
really don't know the picture
A.) I was thrilled to find my keys they had been lost since yesterday.
This is a "fused sentence" or also known as a run-on sentence.
