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").

[EX Q]: Which of the following is never an element used to make carbohydrates for the plant? (A) sand (B) water (C) sunlight (D) carbon dioxide
[EX A]: A

[EX Q]: The sea is (A) A mega Museum (B) A solid (C) Jello (D) Candy
[EX A]: A

[EX Q]: What should my thermometer read if I want to make sure my home-made popsicles are done? (A) 212 degrees F. (B) 0 degrees C. (C) 39 degrees F. (D) 32 degrees C.
[EX A]:
B