This involves the ability to assume the role of both participant and observer of our own actions.

A) agreeableness
B) conscientiousness
C) symbolic self-awareness
D) self-reflexiveness

Self-reflexiveness involves the ability to both participate in and observe one's own actions, thoughts, and feelings. This allows individuals to reflect on their own behavior and make adjustments or changes as needed. Agreeableness is a personality trait related to being cooperative and empathetic, while conscientiousness is related to being organized and responsible. Symbolic self-awareness is the ability to understand that objects and symbols can represent one's self. None of these directly relate to the ability to assume the role of both participant and observer.