C. It contributes to the emotion of safety and comfort.
The poem is an offering of safety and comfort. The poem repeats "I love you" throughout as part of his message to his audience. The poem is meant to be a place where the audience can find safety and comfort. In the stanza with the word hogan, he tells the reader to knock on the door and he will "make you feel safe." Even though the speaker addresses the emotions of the reader as possible feeling tired, overwhelmed, lost, directionless, cold and lonely, the speaker is offering safety and comfort to help the reader because of his love for the reader.
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Music is used to convey emotion from the producer of the music to its audience. By using emotion, the musician plays on the heartstrings of the audience, thus persuading them to feel a certain way because of the emotions in the music.
Hope this answers your question.
Answer: D
Explanation: Metaphors compare things to other things