Kristi Works in a Day-Care Center

Multiple Choice

Kristi works in a day-care center. She notices that Pablo, a 4-year-old boy, often indulges in private speech when doing any activity on his own. She has heard him talking to himself when solving puzzles. Kristi believes in Piaget's theory of cognitive development in children. After seeing Pablo's behavior, Kristi is likely to assume that Pablo's usage of private speech is

A) egocentric.
B) mature
C) an important tool of thought.
D) a means of guiding one's behavior.