Attachment Theory Focuses on Which Key Principal

Attachment theory focuses on which key principal:

A) The quality of infant-caregiver interactions greatly impacts the child's attachment and trust in caregivers.
B) Infants are automatically attached to mothers, regardless of the mother's level of responsive nurturing.
C) If the amount of time an infant spends in child care is too much, it always negatively impacts the attachment to parents.
D) Infants are only capable of forming secure attachment to one adult at a time.