Which of the following phrases (A), (B), (C), (D) given below in the statement should replace the phrase printed in bold in the sentence to make it grammatically correct?

The assumption that apart from whatever can be inculcated in humans through conditioning, he does not possess any natural norms of any sort of a social behavior has the automatic consequence that the blame for every misbehavior and every criminal action can be laid on the rearing of the delinquent.