B should be the answer hope that helps
Answer: Dear Mr. Johnson,
There is an event next Monday at 7:00pm. I am looking for a guest speaker in business society. I was wondering if you would like to be the guest speaker. If you are willing to be the guest speaker please respond in an email by Sunday.
Explanation:
It would be it is a primary subject in the story that helps understand the hidden motives of the main character.
D that’s my answer ... hope it helps!