The correct answer is B. Pathos, to appeal to our emotions.
Explanation
Pathos is a Greek word used to refer to a mode of persuasion in which the sender of a message focuses on using human feelings to affect the judgment of the receiver. Wiesel uses phrases that make use of feelings in his speech, for example, the phrases "if we forget, we are guilty" or "I have tried to keep memory alive". So the correct answer is B. Pathos, to appeal to our emotions.
