Which statement most accurately describes Ischaemic stroke?

A. Diffuse hepatic fibrosis with regenerative nodules and altered liver architecture. B. A macrocytic anaemia caused by impaired DNA synthesis, often from folate or vitamin B12 deficiency. C. Acute infection of the meninges requiring urgent antimicrobial treatment. D. Neurological deficit caused by interruption of cerebral blood flow due to arterial occlusion.