Answer:
B.) conclusion
Explanation:
The finale is another way of saying "the ending". If you are looking for a synonym of this word, you should choose "conclusion". This word generally has the same meaning as "finale".
If you are looking for an antonym for finale, the answer would be "opening" because these words have opposite meanings. "Opening" is another way of saying "the beginning".
Sentence structure affects the tone of a written work because of the way you put words in a sentence. As human, we tend to get offensive easily. Of course, you won't be able to please everybody, but using simple sentence structure, you give off a great vibe.
Hopefully, this was useful!!!