When Students Arrived for the Speech by Joe Clark, They

When students arrived for the speech by Joe Clark, they had already seen posters around campus with his picture and the mention of a movie about him, Lean on Me, which many had even seen. In his speech of introduction, the student body president complimented Clark's achievements and commented upon his awards and recognition. The publicity and the introduction enhanced Mr. Clark's _____ credibility.

A) initial
B) derived
C) terminal
D) vicarious