Immanuel Kant's categorical imperative suggests that:

a. All animals should be treated equally.

b. A morally right action involves doing the greatest good for the greatest number.

c. An action is morally correct if it can be universalized.

d. Everything in the environment deserves moral consideration.

Option A

Explanation:

To Immanuel, what he considered to be right to humans is what should be considered to animals, the reason why option A is the right answer is because it is the only option that speaks directly about what Immanuel stated, "animals" all other options doesn't talk about the animals but about our environment. To buttress my point, Immanuel spoke about the cruelty we have to animals has humans and asked for some considerations to animals and that animals should be treated as expressly to humans I.e the way we accept to treat humans beings that same expression should be carried out on animals as animals are Aldo living examples has humans. So option A is most suitable to what Immanuel said.

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