He and Daisy are not a happily married couple.
No just once and that whole paragraph is suppose to be about that topic
The answer would be C. rhyme, rhythm, and repetition of certain words.
Rhyme and Rhythm are the techniques seen in many of the catchiest songs out there. They use them because it gets to the brain and repetition, also, is the best way for the human brain to remember something.
In order to show the exact words a person said, you would have to use quotation marks. For example: John told me: "Get out of my house!"