Which of the following is an example of an ad hominem fallacy? A. "This argument appeals to the wheelchair ethos of the wealthy, upper-middle-class American slob." B. "Defenders of the dam argue that the recreational benefits available . . . outweigh the loss of Indian ruins . . ." C. "It is often stated that the dam and its reservoir have opened up to the many what was formally restricted to the few . . ." D. "Lake Powell, though not a lake, may well be as its defenders assert the most beautiful reservoir in the world."m fallacy?