How would you categorize a person who shows cynical behavior?

A person who shows cynical behavior can be categorized as someone who believes in human selfishness. Cynicism is characterized by a general distrust of others' motives, often assuming that people are primarily driven by self-interest. This perspective leads to skepticism about the sincerity and goodness of actions taken by others. While other choices reflect positive traits, such as trust, optimism, or naivety, they do not align with the essence of cynicism, which focuses on a more pessimistic view regarding human nature and intentions. Therefore, the correct choice highlights the core tenet of cynical behavior, which is a belief in the selfishness that often underpins human actions.