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

[Q]: A person can inflate a beach ball using (A) a salt shaker (B) several cups (C) live bees (D) organ processed gas
[A]: D

[Q]: Why would something appear blue? (A) it reflects the same wavelength as fire (B) it reflects the same wavelength as coal (C) it reflects the same wavelength as the sun (D) it reflects the same wavelength as the sea
[A]:
D