Answer: D) Kindness.
Step-by-step explanation: the tone of a text is the author's or speaker's attitude towards the subject, the audience or even the character of the text. There are many different kinds of tones (positive, negative, happy, angry, sad, etc) and it helps the reader to understand the key ideas of the text. In the given excerpt from Night by Elie Wiesel, we can see that the tone conveys the idea of kindness, because the speaker explains that they listened attentively to the young Pole, despite their weariness.