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").

Plants grow because they (A) decide the time is right (B) can breathe a lot of air (C) use what people breathe out to survive (D) take photos of other plants
C

A person thinks they see a UFO. They look closely, but the object becomes hard to see in the night sky as (A) gets closer to the person (B) buys a new house (C) builds a large park (D) it puts distance between them
D

Which of these can you use as much as you'd like of without diminishing it at all? (A) natural gas (B) sunlight (C) good will (D) fossil fuels

B