Harlow found that regardless of which surrogate mother fed the infant, most time was spent with the _____ mother.

A) real
B) cloth
C) adult
D) wire

Surrogate Mother

A woman who agrees to carry and give birth to a child for another individual or couple, who will become the child's parent(s) after birth.

Cloth

A flexible material made by weaving, knitting, crocheting, or bonding fibers together.

Wire

A thin, flexible strand or rod of metal used to bear mechanical loads, or electricity and telecommunications signals.