Which statement most accurately describes Acute limb ischaemia?

A. A sudden fall in limb perfusion causing pain, pallor, pulselessness and neurological compromise. B. Systematic evaluation of surgical risk, comorbidity, medicines, airway and planned procedure. C. Early management focused on airway, depth and extent assessment, fluids and prevention of hypothermia. D. Inflammation of the peritoneum, often producing guarding and rebound tenderness.