Answer: (C) Personality
Step-by-step explanation:
According to the given situation, we describing about their personality. The personality is the term which refers to the characteristics of the individual persons and it include the feelings, behavior and the thoughts of the person.
The personality traits is mainly determined by the individual person molecular genetics. If we explaining about someones typically behavior, thoughts and feelings then, we explain about their personality.
Therefore, option (C) is correct option.