Answer:
It was a breakthrough in his research.
Explanation:
James Giblin's book "The Riddle of the Rosetta Stone" presents the perfect illustrations and descriptions of how ancient hieroglyphs were an important factor. Moreover, the book also presents an interesting overview of ancient Egyptian history for avid historians and even for children interested in archeology.
Based on the given statement, we can know that the <em>"copy of an inscription"</em> that was sent to him by a colleague became the breakthrough in his research. This piece of information helped Jean-Francois Champollion's research and became the breakthrough act that uncovered or revealed everything that's been hidden.
Thus, the correct answer is the first option.
Answer: B) He wants to communicate directly with the readers.
Explanation: From the given options, the sentence that best explains why Walt Whitman uses such a simple phrase as "who I am or what I mean" in the given quotation from "Song of Myself" is the corresponding to option B: He wants to communicate directly with the readers, that is why he uses a simple phrase and also he addresses the reader in a direct way by using the pronoun "you."
