A nurse is caring for a newborn whose mother was taking methadone during her pregnancy. Which of the following findings indicates the newborn is experiencing withdrawal?

A. Bulging fontanels are a sign of increased intracranial pressure, not withdrawal. B. Hypertonicity (muscle rigidity) is a common sign of neonatal withdrawal from opioids like methadone. C. Bradycardia is not typically associated with opioid withdrawal in newborns. D. Acrocyanosis is a normal finding in newborns and is not related to withdrawal.