Correct option is B
A. Confluence - II. Absence of difference between self and others:
In Gestalt therapy, confluence refers to a lack of boundary differentiation between oneself and others.
B. Retroflection - I. Suppression of behavior and the redirection back onto the self:
Retroflection involves turning feelings meant for others inward, often causing self-directed anger or blame.
C. Introjection - IV. Lack of discrimination or assimilation of new information gained:
Introjection occurs when a person accepts external ideas or beliefs without critical analysis or integration.
D. Deflection - III. Avoidance of contact with others:
Deflection is a defense mechanism used to avoid direct communication or confrontation, often through distraction.