The correct answer is B. multifactorial and complex in nature with a genetic component
Step-by-step explanation
Neurodevelopmental disorders, as the name implies, are disorders that affect the development of the brain and nervous system during an individual's gestation or childhood. These disorders can be caused by multiple complex factors such as Congenital factors, Prenatal factors, Perinatal factors, and Postnatal factors, however it has a high degree of genetic origin. Among the most well-known neurodevelopmental disorders are attention deficit hyperactivity disorder (ADHD), specific learning disorders, communication disorders, and autism spectrum disorders (ASD). According to the above, the correct answer is B. multifactorial and complex in nature with a genetic component.