Detailed Instructions: In this task, you will be presented with a question that has multiple possible answers. You should choose the most suitable option out of "A", "B", "C", "D", and "E", based on your commonsense knowledge.
Problem:Question: What is generally a person's main goal when they spend time learning about a subject? 
 Options: A gain knowledge B change C elation D headache E boredom 
Solution:
A