Answer: a. egocentrism
Explanation:
Egocentrism refers to the inability of an individual to understand and be aware that the opinion of a person may be different from their own opinion.
It should be noted that egocentrism is common among children when they are in the preoperational stage of the cognitive development.
An example of egocentrism occurs when a child gives his father in order to make him feel better.