Based on the details in The Riddle of the Rosetta Stone, what is the most logical prediction that can be made about Jean-François Champollion? A. He continued his work to decipher more hieroglyphs on the Rosetta Stone. B. He abandoned his efforts to decipher the hieroglyphs on the Rosetta Stone. C. He traveled to Egypt and shared his findings with other researchers. D. He published his findings and sought a new area of research to explore.