Professor Hildebrand just gave back to his students their first exam. Many in the class are convinced that one of the questions he asked had more than one correct answer. In fact, 13 students from the class show up to his office hours to protest the question. Professor Hildebrand is convinced that there is only one correct answer, and so he tries to convince the larger group of students that he is right. Hewill be most likely to convince this group of his point of view if he

a. presents his arguments forcefully and consistently.
b. tries to exert normative social influence on the group of students.
c. presents himself as an outgroup member rather than as part of their ingroup.
d. makes salient the norms of the group.