Answer: it is not a run-on sentence.
Explanation:
The above sentence has two independent clauses which are joined together with a conjunction.
The two characters motivations are
The answer to your question would be B. Experimental, due to the reason that people are testing new things out.
You take a story and explain the entire thing with only a couple paragraphs, and you don't want to give away any special details that way a person can know a little about the book and want to read it. Like a "A dog and His Ball" is about a lost dog who doesn't have a family and finds an old ball to play with. You would put this on the back of a book and then people would be drawn to read this book. ( I just made something up so it may not make sense sorry.)
I'm not really sure I understand what you are asking, but I tried to answer the best I could, please let me know if this isn't what you meant.
