A Young Child Who Looks at a Plane in the Sky

A young child who looks at a plane in the sky and says "bird" has engaged in adaptation by:

A) assimilating the new information for a plane into an existing scheme for birds
B) accommodating the new information for a plane into an existing scheme for birds
C) accommodating the new information into a new scheme for planes
D) assimilating the new information for a plane into a new equilibrated concept