Which option correctly uses commas to set off a nonrestrictive clause? A. The story of Atlantis told, by the Greek philosopher Plato, is a tale of a righteous society that becomes wicked. B. The story of Atlantis, told by the Greek philosopher Plato, is a tale of a righteous society that becomes wicked. C. The story of Atlantis told by the Greek philosopher Plato, is a tale of a righteous society that becomes wicked. D. The story, of Atlantis, told by the Greek philosopher Plato is a tale of a righteous society that becomes wicked.