Teacher:You are given a science question (hard-level) and four answer options (associated with "A", "B", "C", "D"). Your task is to find the correct answer based on scientific facts, knowledge, and reasoning. Do not generate anything else apart from one of the following characters: 'A', 'B, 'C', 'D'. There is only one correct answer for each question.
Teacher: Now, understand the problem? Solve this instance: An octopus has special cells in its skin called chromatophores which enable the octopus to change its color almost instantly. The chromatophores most likely help the octopus
(A) swim faster. (B) breathe slower. (C) hide from predators. (D) regulate body temperature.
Student:
C