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: People are developing electric cars that would replace gasoline-burning cars. One major advantage of the electric car is that it  
 (A) accelerates faster. (B) causes less pollution. (C) gives a smoother ride. (D) needs no battery.
Example Output: B

Example Input: Which of these tools is best for recording observations outdoors?  
 (A) a ruler (B) a graph (C) a notebook (D) a calculator
Example Output: C

Example Input: Which is a reason for Arkansas having multiple seasons?  
 (A) the tilt of Earth's axis (B) the speed of Earth's orbit (C) Earth's distance from the Sun (D) Earth gravitational pull toward the Moon
Example Output:
A