When an infant understands that objects and events continue to exist even when they cannot be seen,heard,or touched,the infant has achieved

A) equilibration.
B) deferred imitation.
C) circular reactions.
D) object permanence.

Object Permanence

The understanding that objects continue to exist even when they cannot be observed (seen, heard, touched, smelled, or sensed in any way).

Deferred Imitation

The capability of reproducing a behavior observed at an earlier time, without the immediate presence of the original stimulus.

Circular Reactions

Repetitive actions or behaviors, primarily in infants, which serve to explore and learn about the environment, and are a key part of cognitive development.