What I interpret "cut the cord" to mean is to become independent of something. Therefor I think the anwers are C) Stop depending on his parents E) Leave the farm.
In case if you were to use some of those things in a lifetime. Like using math to be a scientist. Or language arts to write a book.
The word prodigy applies to Waverly due to her being especially good at chess, or whatever it was she does. Her mother's point of view on prodigy is being the best she can be, and the term applies to her mother by not being quite as smart as her daughter.
Your answer should be Paul the Apostle. Although, Moses wrote many books of the Bible as well.