Harry Harlow and His Colleagues Completed a Number of Studies

Harry Harlow and his colleagues completed a number of studies in which baby macaque monkeys were raised with two artificial surrogate mothers.One of the mothers was made of wire,and the other was made of soft cloth.Either mother could provide food.Harlow found that when the infant monkeys were startled or frightened,they:

A) preferred whichever surrogate provided food.
B) avoided both surrogates and huddled in a corner.
C) preferred the cloth surrogate,even if it provided no food.
D) showed no clear preference,and ran to whichever surrogate was closer.