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]: The shape of a hummingbird's beak is an adaptation for (A) getting to hard to reach wood (B) getting to hard to reach females (C) getting to hard to reach rocks (D) getting to hard to reach nutrients
[EX A]: D

[EX Q]: What conducts electricity? (A) a lego brick (B) suit of armor (C) a wooden table (D) a T-shirt
[EX A]: B

[EX Q]: What might damage a hard walkway that runs alongside a street? (A) a child walking (B) snow (C) a tree nearby (D) a running dog
[EX A]:
C