You are given a science question (easy-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.

Example Input: Which of the following best describes a role of mushrooms in ecosystems?  
 (A) capturing energy from sunlight (B) consuming living plant material (C) taking energy from animal hosts (D) breaking down dead plant material
Example Output: D

Example Input: Which is considered a property of soil?  
 (A) streak (B) fracture (C) texture (D) luster
Example Output: C

Example Input: Meadow voles are small mouse-like animals that eat plants and insects. Their niche in an ecosystem is a  
 (A) omnivore. (B) herbivore. (C) producer. (D) scavenger.
Example Output:
A