According to Object Relations Theory,what Does the Concept of "Introjection

According to object relations theory,what does the concept of "introjection" refer to?

A) a strong drive toward self-actualization and self-assessment
B) the process of internalizing the images, memories, or values of an important person in one's life
C) the ability to adapt successfully to one's environment
D) projecting one's own unacceptable feelings onto another individual or object