For a persuasive letter, You definitely want to have a claim, supporting reasons, and supporting evidence.
Answer:
The correct is the option B. a foreboding tone.
Explanation:
My assumption is that the first element of the question is itself the Haiku of interest but this is not really clear if I am honest. For myself I find that the approach creates a somewhat monotonous tone.
Ready is the root-word for readiness.