The development of an enduring emotional tie between an infant and his or her caregiver is identified as

A) avoidance.
B) attachment.
C) acceptance.
D) attention.

Attachment refers to the development of a strong emotional bond or connection between an infant and their caregiver. This bond is formed when the caregiver is consistently responsive to the infant's needs, creating a sense of safety and security for the child. The concept of attachment is a cornerstone of developmental psychology and has been studied extensively by researchers such as John Bowlby and Mary Ainsworth.