What Is the Significant Finding of Harlow's Experiments on Monkeys

Multiple Choice

What is the significant finding of Harlow's experiments on monkeys reared by surrogate mothers?

A) Thermal comfort is the crucial element in the attachment process.
B) Feeding is the crucial element in the attachment process.
C) Contact comfort is the crucial element in the attachment process.
D) Feeding and contact comfort are equally important in the attachment process.