Answer: c cognitive
Step-by-step explanation:
Cognitive development in infants refers to the way babies learn to think, imagine, remember, solve problems, gather information and develop judgement. Some factors that contribute to this are, reading books to the baby, dancing, playing music, watching television.
While social development in infants deals with management of emotions, expression and establishing relationships with others.
Physical development in infants involves the physical and motor skills that emerge in the first three years of life.
Personality development in infants involves the development of restructured pattern of behaviours and character that makes a person unique.