Answer:
C.) Yes, especially if the people who do not want to participate have a trait that is not accurately represented by the remaining people in the class.
Step-by-step explanation:
Since we cannot generalize or conclude to some accurate predictions, because all the people did not participate in the survey. If we want a good survey results, then we should take the opinion of a majority of a people irrespective of ages, backgrounds, cultures, races, etc in order to get a bias free result.