The excerpt from Mary Shelley's "Frankenstein" describes the reciprocated emotions of Victor. At this point in his life, he was familiar with the basic science of electricity("unacquainted with the more obvious laws of electricity"), but he is astonished when he "entered on the explanation of the theory." <em>The word that best compliments to reflect his changed attributes is "disdain" as it clearly demonstrates the emotional shift in the author's thoughts and perceptions. </em>Thus, option A is the correct answer.
