Study of War Orphans Placed in an Institution (Bulldog Banks)

study of war orphans placed in an institution (Bulldog Banks) in England suggests that

A) children don't develop attachment relationships to peers until they have done so with an adult, an authority figure, or a caregiver.
B) children easily developed attachments with their new caretakers in spite of the absence of such relationships previously.
C) the children's attachments to each other remained consistent even with the availability of adult caregivers.
D) after a year in the orphanage, children still were unable to form attachment relationships with adults.