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]: You can use plants like star anise for (A) hugging (B) running (C) swimming (D) sustenance seasoning
[EX A]: D

[EX Q]: Because a logging company has been working here the area has more (A) calcium (B) rust (C) carbon (D) silicon
[EX A]:
C