Answer: The correct answer is a: Don't use people unless it is in their best interest.
Categorical imperatives are central philosophical concepts proposed by Immanuel Kant. It evaluates the motivations for human actions and behaviors.
Categorical Imperatives are unconditional requirements to conduct one's life in a way that's ethical and moral.
Explanation: The second form of the categorical imperative states that people shouldn't use other people as a means to an end but as an end themselves.
This means that we shouldn't treat other people as mere objects but as people.
The only answer option that's similar to the notion of the second form of the categorical imperative is option A. Don't use people unless it is in their best interest.