TASK DEFINITION: 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.
PROBLEM: Which of these animals has a young form that looks the most like the adult form?  
 (A) moth (B) human (C) frog (D) butterfly

SOLUTION: B

PROBLEM: Which would most likely be the characteristic of an object with a small volume and large mass?  
 (A) high density (B) low pressure (C) low viscosity (D) high temperature

SOLUTION: A

PROBLEM: A student wants to cut a piece of string for a class activity. The length of the string is measured BEST in which units?  
 (A) Gallons (B) Liters (C) Miles (D) Centimeters

SOLUTION:
D