In a Pleasant but Unfamiliar Setting,infants with an Insecure Attachment

In a pleasant but unfamiliar setting,infants with an insecure attachment to their mothers are most likely to

A) demonstrate unusually low levels of stranger anxiety.
B) happily leave their mother's side and explore their new surroundings.
C) feel happy when their mothers leave them.
D) show indifference to their mother's return after a brief absence.