I'm pretty sure it'd be A.
Personification. It makes an object do things a person would. Making it a person. Personification.
Go looking for more sources is the option. Writing about something you're confused about is not a good choice. Plagiarism is never the right answer. And picking another research topic is not always a possibility and it's nonsensical to just give up on your original topic.
“The barn was so alive with all of the pigs inside.”
