Desu ne is something you want to tell them that you felt right or after the question you ask (with someone Same age, really friendly with ỏ ưith the person is younger than you)
And Desu ka? Is the word like "right?" Is the Question too. Usually they use to the person you not really friend or the person older than you (formal)
The author might begin like a fairy tale.... " A long, long time ago, when ....
Despacito
ft.Luis Fonsi and Daddy Yankee
Its not c so its either a, b, or d
