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': 'A pregnant patient in second trimester falls into\nsyncope during extraction of upper molars. She should be kept in \nSelect and explain. \nA. Trendelenburg position, B. Head down towards her feet, C. Right Lateral position, D. Left lateral position', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]