The "30 Million Word Gap" Refers To

Multiple Choice

The "30 million word gap" refers to:

A) anthropological evidence that language use has exploded over the last 6,000 years.
B) language expansion that occurs between the ages of 1 and 5 not accounted for by behaviourist theory.
C) differences in language exposure between children from low and high socioeconomic status.
D) differences in language exposure between American and Asian children.