Which sentence from The Riddle of the Rosetta Stone most suggests that James Cross Giblin holds a positive view of the work of Thomas Young?

At various times, Young studied the habits of spiders, the surface features of the moon, and diseases of the chest.
Young noticed that each time these demotic characters appeared, they were set off at both ends by lines like parentheses.
Unable to make fresh progress in deciphering the demotic passage, Young turned his attention to the hieroglyphs on the Stone.
However, he had laid a solid groundwork for others in their attempts to decipher the hieroglyphs.