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").

[EX Q]: Which is the most accurate statement? (A) finches with fat beaks can eat ants in a small anthill (B) finches with narrow beaks can eat only human meat (C) finches with narrow beaks can eat ants in a small anthill (D) finches with fat beaks can eat only human meat
[EX A]: C

[EX Q]: 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
[EX A]: D

[EX Q]: The Earth revolving around the sun can cause (A) constellations to appear in one place in spring and another in fall (B) the stars to rotate diagonally in the sky (C) earth's axis to be widened (D) stars to fade as winter approaches
[EX A]:
A