Science literature is often held back by facts, where you can express yourself, like an expository essay since they are held back by facts as well. Plain fiction is all up to the author with nothing holding them back, like an argumentative essay would be since it’s opinionated.
I’m pretty sure it’s b but i need to read the story
Tom A and Tim B while Lucy and Jim are C and D
C. Since you're bringing the sandwiches. This is a fragment.
Answer:
I believe it's D, but the rest of the text was cut off so I'm not entirely sure :P
hope this helps! :D