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").

The last celestial body in our solar system without an orbit is (A) Saturn (B) Jupiter (C) a meteor (D) Uranus
C

What is an example of protecting the environment? (A) flushing the toilet twice (B) using water flow limiter (C) driving shorter trips more often (D) using fancy, more expensive paper
B

Which of these helps some animals find mates by color? (A) hearing (B) smell (C) eyesight (D) nose
C