This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': 'The four points of probe placement in Focused Abdominal Sonogram for trauma (FAST) in blunt thoraco-abdominal trauma are - \nSelect and explain. \nA. Epigastrium, (R) hypochondrium, (L) Lower chest, hypogastrium, B. Epigastrium, (R) and (L) Hypochondria, (R) Iliac fossa, C. Epigastrium, (R) and (L) Lumbar regions, hypogastrium, D. Hypogastrium, (R) and (L) Lumbar regions, (R) lower chest', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]