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]: 2000 years ago, this method would likely have brought sand from the coast to the desert (A) the pyramids often eroded, making their own sand (B) constant breezes over time (C) human automobiles transfer materials (D) the space shuttle moved sand great distances
[A]: B


[Q]: A full moon is caused by (A) werewolves (B) moonlight (C) tides (D) orbiting
[A]: D


[Q]: The nimbleness of this animal is a key adaption that allows it to escape attacks from predators: (A) the praying mantis (B) the antelope (C) the butterfly (D) the sloth
[A]:
B