Based on The Riddle of the Rosetta Stone, which statement best describes how James Cross Giblin characterizes the historical figure of Sylvestre de Sacy?

A. He describes what de Sacy says and the actions he takes.
B. He describes how de Sacy reacts to others and the actions he takes.
C. He describes how de Sacy reacts to and relates with others.
D. He describes what de Sacy says and how he relates with others.