I believe it is Irony but I'm not completely sure.
I would say C. a literary device because pathos is like a quality that causes people to pity or show empathy towards you. You may use this as a tool as a writer to make the reader feel a certain way about your characters or victims of an event. It can be used to better understand and better convince readers of your opinion.
Some jellyfish are bigger than humans
B.) C.) D.) I HOPE THIS HELPS!!!!
Were is the answer in this sentence