Answer:
C.) Regressive behaviors
Explanation:
According to psychoanalyst Sigmund Freud, regression is a defense mechanism leading to the temporary regression to an earlier development stage. In psychoanalytic theory, the defense mechanism of regression occurs when one's personality reverts to an earlier development stage, adopting more childish mannerisms, such as sucking on one's thumb.
These are often short-term, though there are cases where regression remains for longer periods of time.
