Answer:
Your answer will be B. the tone is the author's attitude toward the subject.
Explanation:
Tone may be formal, informal, or have other possible attitudes. Authors set a tone in literature by conveying emotions or feelings through words.The way a person feels about an idea/concept, event or other person can be quickly determine through their facial expressions, gesture, and in the tone of their voice.
Formal diction is what most modern poetry resembles.
The answer is declarative because it is stating a fact.