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: Divergent tectonic plate boundaries most commonly form  
 (A) ocean ridges. (B) ocean trenches. (C) non-volcanic islands. (D) continental mountains.
Example Output: A

Example Input: After playing outside on a cold day, Jaime went inside to wash his hands. Although the water was normal temperature, he noticed that it felt warmer than usual. What would explain this phenomenon?  
 (A) His body had more kinetic energy than the water. (B) Heat flowed from a cooler substance to a warmer substance. (C) The water from the faucet had a higher temperature than his skin. (D) The thermal energy in the room was higher than the thermal energy outside.
Example Output: C

Example Input: Oil and gas are two sources of energy used in America. Which is the main reason oil and gas may be replaced with other sources of energy in the future?  
 (A) Oil and gas produce very little power. (B) Oil and gas work in too few machines. (C) Oil and gas are limited in their supplies. (D) Oil and gas are too costly to remove from the ground.
Example Output:
C