Jeannie Observed Rocks Sinking in Water and Said,"I Already Knew

Multiple Choice

Jeannie observed rocks sinking in water and said,"I already knew that.All rocks sink." Then she saw a piece of pumice floating on water and was told that pumice is rock.Several days later,she was asked again if rocks sink in water.She replied,"Well,most do." In Piaget's terms,what process did Jeannie use to draw this conclusion?

A) Accommodation
B) Assimilation
C) Classification
D) Conservation