What Have Researchers Found in Terms of Attachment Behaviors in Infants

What have researchers found in terms of attachment behaviors in infants older than 6 months living in cultures where they are cared for by many caregivers?

A) Multiple attachments are formed and the infant does not seek out the mother as a secure base.
B) The infant does not attach to any caregivers.
C) The infant developed a resistant attachment to the mother when she provided care.
D) The infant sought out her mother and preferred her over other caregivers.