a. It is biased because it reflects an attitude about one of Thomas Young's ideas.
Explanation:
The given excerpt from "The Riddle of the Rosetta Stone" by James Giblin which became the inception for the study of ancient Egyptian history. In his book, Giblin projects the ideas and opinions of Thomas Young in his attempts to decipher the stone's hieroglyphics. Although Giblin believes Young may have contributed valuable information regarding the stone writings, he also believes that Young's ideas are sometimes biased.
Like for instance, in the given excerpt in the question, he mentions one such ideas of Young where he "<em>made a leap of the imagination"</em>. In cases such as this, it is important to find or provide actual proof, rather than depend on <em>"inspired hunches"</em>. Thus, this passage is a biased one as it reflects one of Young's attitudes.
"Thomas à Becket" is the one monarch among the choices given in the question that was known as the "holy blissful martyr" whose shrine serves as the destination for Chaucer's pilgrims in The <span>Canterbury Tales. The correct option among all the options that are given in the question is the third option or option "C".</span>