In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").
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Question: Which of the following is never an element used to make carbohydrates for the plant? (A) sand (B) water (C) sunlight (D) carbon dioxide

Answer: A

Question: The bear in the wild needs to find other animals to feast. (A) they are killers (B) they only eat (C) they never kill (D) they are docile

Answer: A

Question: A person discovers a dinosaur skeleton in their backyard under a lot of dirt. The skeleton is lacking the bright whiteness of bones, because it is (A) filled with beer (B) covered in salt (C) trapped in stone (D) smooth with wires

Answer:
C