I think the correct answer is the third one, "I made the best brownies today!"
An unreliable narrator is a narrator whose credibility has been compromised. Since you can't tell if this narrator credibility has been compromised from a single sentence but need a whole text to develop such incredibility, I say this is unreliable because the narrator is giving its own opinion of something he/she has made, and you can't rely on he/she being imparcial.
Answer:
Elected the leader of the boys at the beginning of the novel, Ralph is the primary representative of order, civilization, and productive leadership in the novel. For this reason, Ralph's power and influence over the other boys are secure at the beginning of the novel.The characters in Lord of the Flies possess recognizable symbolic significance, which make them as the sort of people around us. Ralph stands for civilization and democracy; Piggy represents intellect and rationalism; Jack signifies savagery and dictatorship; Simon is the incarnation of goodness and saintliness.
Explanation:

Answer:
B) Creates vivid pictures to describe a tone/atmosphere of certain events/characters/emotions
Explanation:
The defintion of imagery is "visually descriptive or figurative language, especially in a literary work". Therefore, it would be B.
Denotation and connotation