Read this excerpt from The Riddle of the Rosetta Stone by James Cross Giblin. A few experts challenged Champollion's methods and clung to the notion that the hieroglyphs had a purely symbolic meaning. But Champollion's defenders, after further studies, proved his approach correct beyond any doubt. Which answer choice best states a cause-and-effect relationship from the excerpt? A. Cause: A few experts challenged Champollion’s methods. Effect: They proved that hieroglyphs had purely symbolic meanings. B. Cause: A few experts challenged Champollion’s methods. Effect: Defenders of Champollion proved that he was correct. C. Cause: Most people believed that hieroglyphs had purely symbolic meanings. Effect: Champollion proved them wrong. D. Cause: Many studies proved that Champollion’s approach was correct. Effect: A few experts challenged Champollion’s ideas.