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 would likely render a habitat dead? (A) planting new trees (B) a light drizzle (C) a human camping (D) an apartment complex
[EX A]: D

[EX Q]: Which would likely need a hot plate? (A) physics class (B) chemistry class (C) english class (D) math class
[EX A]: B

[EX Q]: When the digestive system is working (A) it is bad to eat (B) it is dismantling nutrients (C) food is cleared out (D) it is time for dinner
[EX A]:
B