Which of the following statements is true regarding the function of the brain?

A. The basal ganglia play a crucial role in initiating and coordinating voluntary movements, and their dysfunction is associated with disorders such as Parkinson's disease. B. The hypothalamus does regulate temperature and sleep, but it also regulates other critical functions like hunger, thirst, and hormone release, making this statement incomplete. C. The parietal lobe primarily handles sensations and the occipital lobe is mainly involved in visual reception. D. The cerebellum primarily manages coordination and balance. Speech and emotional regulation are functions of other parts of the brain, such as the frontal and temporal lobes.