Final answer:
The correct answer is d. None of them are correct.
Step-by-step explanation:
The question is asking which of the three situations regarding Ethan, Alexis, and Daniel's money is the greatest or best. According to the given information, situation #3 is the correct answer.
However, it is important to note that just thinking about situation #3 does not actually add any money to your total amount. This relates to Kant's point of view. Therefore, the correct answer is d. None of them are correct.