TASK DEFINITION: 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: Animals adapt to their what? (A) appearance (B) feet (C) skin (D) nature places

SOLUTION: D

PROBLEM: in order for a person's burger to make it successfully into the toilet, which of these must be functional? (A) the respiratory system (B) the digestive system (C) the circulatory system (D) the destructive system

SOLUTION: B

PROBLEM: As leaves turn from green to gold, another change is (A) darkness comes earlier (B) the sun shines (C) more rain storms (D) warmer weather

SOLUTION:
A