Respuesta :
Answer:
I think the answer is A.
Explanation:
Choice B is wrong because the paragraph is not based on snakes eating other animals.
Choice C is wrong because they are not only talking about snake's venom used for medicine.
Choice D is wrong because it is not only talking about poisonous snakes.
I hope this is correct.
I’d would say A determines the main idea because your getting to the point (claim)