Procrastinate and my answer has to have 20 letters so this is what I’m doing
To add layers of meaning to a creative work
The answer would be D. "Yet, he figured out how to make a battery using soda, metal, and tape."
This shows that Kelvin was creative in solving the problem of having no batteries because he found a way to create his own with rather strange items. Most people wouldn't think to create anything with those three items, which shows that this creation took extra creativity on Kelvin's part.
