Personal Space Increases from Childhood to Early Adulthood Because

Personal space increases from childhood to early adulthood because

A) children fail to recognize themselves as distinct from others until their teenage years.
B) children have not yet developed clear interpersonal boundaries.
C) adults become more emotionally closed off as they age, whereas children openly express emotions.
D) the area in children's brains responsible for spatial relations is not developed until adulthood.