Based on the riddle of the rosetta stone, how do the findings of jean-françois champollion differ from the findings of thomas young?

a unlike young, champollion used his knowledge of the coptic language, which allowed him to decipher some of the hieroglyphs on the rosetta stone.

b unlike young, champollion changed the spelling of “ptolemy” to “ptolmis,” which allowed him to decipher some of the hieroglyphs on the rosetta stone.

c unlike young, champollion traveled to egypt, which allowed him to study other hieroglyphic inscriptions and decipher the hieroglyphs on the rosetta stone.

d unlike young, champollion had extensive mathematics knowledge, which allowed him to decipher the hieroglyphs on the rosetta stone.