A teacher shows a first grade student a map and tells her, You live here, in Atlanta, Georgia. the child emphatically disagrees, declaring, No, I live in Atlanta. I can't live in Georgia too, 'cause I can't live in two places at the same time! This child is likely in Piaget's _____ stage of development.
A. formal operational
B. concrete operational
C. sensorimotor
D. preoperational