In an introduction to a persuasive speech, fran said, "there was a time when i thought i would never have a job, a decent life, a boyfriend, or any pleasure in life. but, after working as an intern at channel 3, i know what i really want to do with my life and that gives me great satisfaction. i encourage you all to become interns, so that you, too, can discover that there is something in life that inspires passion in that you're willing to work work hard be be happy." what type of message did this speaker effectively use in this introduction?
a) an appeal to reasoning
b) an appeal to a common myth
c) an appeal to credibility
d) an appeal to emotion