Answer: (C) A stereotype
Step-by-step explanation:
A stereotype is one of the type of psychological belief ,idea and the expectation from the individual people or the group of people about their ability, capabilities, personalities and also about their individual references.
According to the given scenario, Cynthia's view is basically represents as a stereotype because of his expectation from the Jewish based environment and culture. She feels that the Jewish people are similar educated, assertive and they also shows care towards the Jewish folks.
Therefore, Option (C) is correct answer.