Definition: 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.
Input: Some animals live in a grassland. A fire burns through the grassland. Which type of animal will best compete for resources after the fire?  
 (A) one that eats meat (B) one that uses plants for shelter (C) one that lives under the ground (D) one that builds nests on the ground
Output:
C