Answer: (B) Sean arranging the interview
Explanation:
According to the given question, Sean arranging the interview is the act of consideration based on the given scenario as Mark move from his promise that he share his lottery winnings with the Sean when he arrange his interview.
So, Sean agreed with his deal and arrange interview with the boss but Mark refuses to pay and Sean arranging Mark's interview is refers as the act of consideration in which he receives the benefits from both the sides.
The main purpose of the act of consideration is one of the type of contract law between the two parties or person in which the person receive benefit from another person.
Therefore, Option (B) is correct answer.