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").

Example Input: A lizard that passed away centuries ago may be viewed most easily today in some ways through (A) globes (B) mirrors (C) telescopes (D) sediment
Example Output: D

Example Input: The circulatory system brings oxygen to the body from where? (A) The chest (B) The brain (C) The feet (D) The stomach
Example Output: A

Example Input: A beam of sunlight strikes a stained glass window and (A) colors all start disappearing (B) hues multiply through it (C) there are broken panes (D) fires are put out
Example Output:
B