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").
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Question: Why would a lightbulb be dark? (A) the bulb needs to be charged (B) the room is too bright (C) the circuit is incomplete (D) it ran out of electricity

Answer: C


Question: Why is it fall one month and spring another month? (A) the moon has different phases (B) the earth is revolving (C) solar flares appear in cycles (D) the earth is in a different place in its orbit

Answer: D


Question: Earthquakes can devastate an area even though they usually last (A) half an hour (B) half a minute (C) 30 minutes (D) 20 minutes

Answer:
B