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]: Magnetic media, such as TVs, computer monitors, credit cards and pacemakers can be damaged when exposed to (A) neodymium (B) a paper clip (C) copper penny (D) metal nails
[A]: A


[Q]: an animal needs to burn complex carbohydrates to (A) stay up (B) move (C) sit (D) sleep
[A]: B


[Q]: treating water is used to remove harmful substances before what? (A) emptying (B) guzzling (C) evaporating (D) disposing
[A]:
B