The Harry Harlow (1958)study Concluded That Contact Comfort Is More

The Harry Harlow (1958) study concluded that contact comfort is more important for attachment than feeding.What evidence was used to support this conclusion?

A) Baby monkeys cried when separated from their mothers and stopped crying when reunited with their mothers.
B) Baby monkeys spent more time with cloth surrogate mothers than with wire surrogate mothers.
C) Baby monkeys spent more time with wire surrogate mothers than with cloth surrogate mothers.
D) Baby monkeys spent more time with surrogate mothers that fed them regardless of whether the mothers were wire or cloth.