Choose the revision that corrects any punctuation errors in the sentence below. if no change is needed, select "no correction is necessary." yes they had at long last found it-the tomb of tutankhamun the boy king of egypt who had ruled a powerful nation over 3000 years before a tomb full of priceless treasure. a) yes, they had at long last found it, the tomb of tutankhamun—the boy king of egypt who had ruled a powerful nation over 3000 years before—full of priceless treasure. b) yes they had at long last found it. the tomb of tutankhamun—the boy king of egypt who had ruled a powerful nation over 3000 years before a tomb, full of priceless treasure. c) yes, they had at long last found it—the tomb of tutankhamun—the boy king of egypt who had ruled a powerful nation over 3000 years before a tomb, full of priceless treasure. d) no correction is necessary.