The mother of a child with cerebral palsy (CP) asks the nurse if her child's impaired movements will worsen as the child grows. Which response provides the best explanation?

A. This statement does not directly address the mother's concern about the progression of CP.B. Explaining that brain damage with CP is not progressive but has a variable course provides clear and accurate information, reassuring the mother that while the condition itself does not worsen, symptoms and functional abilities may change over time.C. This option incorrectly suggests that the brain lesion will continue to develop, which is not accurate for CP.D. This statement provides general information about CP but does not address the specific concern about progression of movement impairments.