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]: Places lacking warmth have few what (A) biological entities (B) biological weapons (C) cold entities (D) astronomical entities
[A]: A


[Q]: The cultivation of a range of crop types in a specific order has a positive impact on (A) soil quality (B) water quality (C) air quality (D) atmospheric conditions
[A]: A


[Q]: Human astronauts have visited (A) the closest celestial object to earth (B) the closest planet to Earth (C) the closest sun to Earth (D) the closest space to Earth
[A]:
A