Why does the author of "Michael Faraday's World" include the conversation between Michael Faraday and the two boys at the end of the story?
A.One of the boys grew up to be a famous scientist.
B.The author shows how far Faraday progressed in the world.
C.The author was one of the boys who talked to Faraday.
D.The conversation shows how Faraday valued asking questions.