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").

[Q]: What could be used to find out how much carpet is needed for a room? (A) a tape measure (B) a compass (C) a barometer (D) a beam balance
[A]: A


[Q]: In order for trees to use sunlight they must (A) their roots (B) the light switch (C) CPR (D) respire
[A]: D


[Q]: Bats use the organs on the side of their heads to (A) receive short radio pulses (B) hold up their sunglasses (C) create lift for flight (D) attract a potential mate
[A]:
A