Which of the Following Is NOT a Criticism of the Behaviorist

Which of the following is NOT a criticism of the behaviorist view of language development?

A) According to the behavioral view,if learned through reinforcement,language should be vastly different for each individual due to each person's unique history of reinforcements.
B) The behavioral view of language development cannot explain the sequence of language development.
C) Language follows grammatical rules,and parents tend to reward all speech patterns,not just grammatically correct ones.
D) Children who grow up in impoverished environments show delays in developing language.