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 shoe seems gold and green at first, then at second glance looks blue and silver. This could be due to (A) interrogation (B) comas (C) refractions (D) cellulite
[A]: C


[Q]: what do animals need to protect them from bad weather? (A) housing (B) food (C) water (D) clothing
[A]: A


[Q]: objects made of what cause refraction of light? (A) wind (B) wood (C) melted sand (D) soil
[A]:
C