In a series of laboratory experiments, psychologists Harry and Margaret Harlow took infant rhesus monkeys from their mothers and isolated them in separate cages. When the young monkeys were later introduced to other members of their species, __________.
they clung to the new members and sought attention from them
they were indifferent to the presence of the new members
they cringed in the corner and were fearful of the new members
they soon became well-adjusted to the new members