Detailed Instructions: 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").
Problem:Which is most accurate? (A) the Earth revolves around a large, bright nuclear reactor (B) the sun makes magical reactions that are visible (C) the sun makes nuclear reactions that are visible instantly (D) the sun makes nuclear reactions that are visible only days later
Solution:
A