How do paragraphs 1-4 contribute to the author’s explanation of love at first sight? A. They convey it as something that many people don’t believe exists, and makes you silly if you believe in it. B. They emphasize how it’s impossible to prove or disprove, as everyone has unique experiences with love. C. They prove that it’s not a silly notion, but rather can be supported through scans of the human brain. D. They suggest that it’s mainly a plot device that is used to add romance and drama to television and movies.