In the stage of Preattachment:
A. Infants may seek love and physical contact with caregiver.
B. An infant is between 8-18 months.
C. Infants learn the difference between primary caregivers and strangers and show either discontent or enthusiasm.
D. infants learn to distinguish between people and things. Subsequently, they respond increasingly more to people in general by smiling and vocalizing.
Answer: D. infants learn to distinguish between people and things. Subsequently, they respond increasingly more to people in general by smiling and vocalizing.