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]: An electron microscope can (A) move small magnets around (B) create completed replicas of animals (C) burn plastic with ease (D) recreate an entire image
[EX A]: D

[EX Q]: What is the best example of a live birth? (A) a fish laying a clutch (B) a platypus warming an egg with its furry body until a baby is born (C) a bird warming the eggs in her nest until they hatch (D) a koala delivering into her pouch
[EX A]: D

[EX Q]: Which of the following has a population of zero? (A) Merriam's elk (B) bison (C) llama (D) whooping crane
[EX A]:
A