. . .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 (adapted from the book "The Treasures of Tutankhamun").
Which of the following revisions corrects the punctuation errors in the above sentence?
A) Leave it as is.
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) 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. . .