The last choice, "Teens who sleep less than 5 hours a night suffer from more immune related illnesses according to a study released in 2015 by the American Journal of Medicine." It gives a source to where the information had been gathered.
The answer would be 'B' because personification is about an emotion from an figurative language. That's from my point of view, hope I had helped :)
Answer:
Search the meaning of the words and determine which one doesn't belong by the meaning. Hope this helps! :)
