Answer:
The correct option is A) helps us to understand how memory works.
Explanation:
The scientists today have different theories relating to the functioning of the brain and mind as well as how various thoughts, memories etc arise in a person. There are various psychological theories on the functioning of the mind and all of them can be supported in various ways and can be disregarded in many other ways. Researchers tend to study various minds of people and actions to understand how memory works.