TASK DEFINITION: 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").
PROBLEM: One type of electrical circuit that requires a switch could be (A) running (B) diving (C) dimming table lights (D) swimming

SOLUTION: C

PROBLEM: 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

SOLUTION: D

PROBLEM: You can hear (A) a electric viola (B) a perfume (C) a thought (D) a prism

SOLUTION:
A