A nurse is reinforcing discharge teaching with the family of a client who has a new diagnosis of Parkinson's disease and a prescription for levodopa/carbidopa. Which of the following statements made by the client's family indicates an understanding of the teaching?

A. Eating a lot of protein can interfere with the absorption of levodopa, so this statement is incorrect. B. Levodopa/carbidopa can cause dyskinesias or involuntary movements, so monitoring for this is essential. C. Levodopa does not cure Parkinson's disease or prevent its progression; it helps manage symptoms. D. While levodopa can improve symptoms, the onset of action is not typically rapid, and it may take some time for optimal effect.