Two-Year-Old Ariel's Parents Recently Bought Her an Aquarium and Have

Multiple Choice

Two-year-old Ariel's parents recently bought her an aquarium and have begun to point at the moving animals and call them "fish." Despite having only heard the word "fish" a few times, Ariel appears to realize that the term refers to those little moving things in the tank. Ariel's behavior is best explained by

A) infant-directed speech.
B) the one-to-one principle.
C) fast mapping.
D) the cardinality principle.