In Studies of Self-Recognition, an Infant Is Placed in Front

In studies of self-recognition, an infant is placed in front of a mirror after a parent has secretly applied lipstick or some other mark to the infant's nose. Infants younger than 15 months of age are likely to respond by

A) Touching their own noses
B) Pointing at their noses in the mirror
C) Refusing to look at themselves in the mirror
D) Showing little if any interest in the mirror