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").

[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
[A]: A


[Q]: in order for a person's burger to make it successfully into the toilet, which of these must be functional? (A) the respiratory system (B) the digestive system (C) the circulatory system (D) the destructive system
[A]: B


[Q]: I would have a harder time sliding with my socks on (A) marble floors (B) a shag runner (C) wood floors (D) ice
[A]:
B