A nurse is discussing separation anxiety and attachment with the caregivers of an infant. Which of the following statements should the nurse make?

A. Separation anxiety often has physical manifestations such as crying, clinging, and distress. B. Attachment to caregivers is crucial for the infant's emotional and psychological development, providing a secure base for exploring the world. C. Separation anxiety is a normal developmental stage and does not predict attachment disorders. D. Separation anxiety and attachment are expected developmental processes and not typically considered abnormal.