57. How would you summarize Paragraph Four of the article?
(A) The word “nightmare” is the name of the demon that was said to sit on your chest and cause nightmares.
(B) The word “nightmare” comes from a combination of the words “night” and “mare,” and the latter word meant “demon” in Old English.
(C) In centuries past, people believed that nightmares were the result of a demon sitting on your chest, preventing you from moving.
(D) Nightmares make people wake up with a felling of terror or difficulty in breathing.