Answer: B) Positive tone, allusion.
Explanation: The tone of a text or sentence is the author's or speaker's attitude towards the audience, the subject or even the characters of the text. As we can see the tone in the given excerpt is positive. An allusion is a literary device that consists in making a brief reference to a person, an event (historical, political, cultural, etc), or a place. In the given excerpt the speaker is making an allusion to Pollyanna who was the character of a novel, and who was always optimistic and positive.