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]: A a switch turns something with batteies on because: (A) electrons are then disturbed (B) a piece of metal closes the circuit (C) it lets the acid free (D) the circuit is opened
[A]: B

[Q]: Flowers with more pollinators (A) escalate reproduction (B) increase water usage (C) increase visual appeal (D) decrease reproduction
[A]: A

[Q]: Large trees block sunlight from reaching what? (A) moons (B) outdoor floor (C) clouds (D) coffee grounds
[A]:
B