Answer:
B). Since zaroff's sees rainsford as sentimental,he misjudges him as an opponent.
Step-by-step explanation:
The author describes a variety of descriptions or situations that introduces or reveals new information and thus giving a new dimension to the plot that serves to advance the plot and keep the story moving.
In the given passage, the transformation in zaroff's attitude functions to advance the plot as 'Since Zaroff sees Rainsford as detrimental, he misjudges him as an opponent' and this misinterpretations adds a twist and tension to the narrative that brings the action to the plot and consequently advances the plot. It also captures the readers' interest and keeps them intact while the narrative moves forward. Thus, option B is the correct answer.