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.

Input: Consider 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.

Output: B

Input: Consider Input: Different units of measurement are more useful in some settings than in others. Which unit of measurement is most used when comparing distances within the solar system?
(A) the mile (B) the kilometer (C) the light year (D) the astronomical unit

Output: D

Input: Consider Input: One difference between a chemical formula and a chemical equation is that the chemical equation shows
(A) abbreviations for each element. (B) the number of atoms per element. (C) what elements are in each molecule. (D) the chemical reaction that takes place.
Output: D