The author, Lee Washington, concludes that J.R.R. Tolkien "is truly one of the greatest fantasy writers of all time." Which piece of evidence adequately supports this assertion?
A) Tolkien was an excellent father who told stories to his children.
B) Tolkien has an impressive fan base in America for his two major fantasy novels.
C) Tolkien often shared his story ideas with a group of writers called the Inklings.
D) Tolkien and his brother were raised by a priest named Father Francis Xavier Morgan.