The correct answer is answer A ("The focus of the speech stays on Wiesel's terrifying experiences as a child").
<u>By using the third person, Wiesel is able to separate himself from his present self, and take us back to the perspective he had at the time being a young boy</u>. By using the third person, the focus moves away from himself and what sticks with us is the harshness of these experiences that countless nameless boys had to go through.