Parent-Child Attachment Is Usually Considered an Experience-Expected Process

Parent-child attachment is usually considered an experience-expected process. In this context, what does "experience-expectant" mean?

A) All children who are provided with a primary caregiver will develop an attachment relationship with that caregiver.
B) The quality of care that a primary caregiver gives to a child will affect the attachment relationship that forms with the child
C) Children will not from an attachment relationship until they are provided care by one attachment figure.
D) Children will not form an attachment relationship unless they are provided with sensitive and responsive care.