______ is described as those abilities to understand one's own and others feelings,behaviors and thoughts and to act appropriately.

A) Great Man theory
B) Social intelligence
C) Emotional intelligence
D) Big Five personalities

The description provided in the question is about emotional intelligence, which involves understanding and managing one's own emotions as well as the emotions of others, and using this understanding to act appropriately in social situations. Option A (Great Man theory) is a leadership theory, Option B (Social intelligence) is related to the ability to navigate social situations, and Option D (Big Five personalities) is a personality trait theory.