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").

Due to camouflage, you are less likely to be able to see a polar bear in (A) a church (B) the zoo (C) alaska (D) africa
C

if a chemical reaction occurs, it might have been triggered by which of these? (A) a person yelling at it (B) a person walking by it (C) a person looking at it intently (D) a person cranking up the room heater
D

A tiny spark grows and the result tears through an area of nature and spreads through the mountains, consuming (A) bark and canopies (B) a crystal lake (C) a snowy mountaintop (D) a small bird

A