The Nurse Is Teaching a Parent About Developmental Needs of a 9-Month-Old

The nurse is teaching a parent about developmental needs of a 9-month-old infant. Which statement from the parent indicates a correct understanding of the teaching?

A) "My child will begin to speak in sentences by 1 year of age."
B) "My child will probably enjoy playing peek-a-boo."
C) "My child will sleep about 7 to 8 hours a night."
D) "My child will be ready to try low-fat milk."