Harlow Observed That Most Monkeys Raised in Total Isolation

Multiple Choice

Harlow observed that most monkeys raised in total isolation

A) were totally apathetic and indifferent to the first monkeys they encountered.
B) were incapable of mating upon reaching sexual maturity.
C) showed slower social development but more rapid cognitive development.
D) showed no lasting adverse effects when placed in a socially enriched environment.