This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous system, Subject name: Physiology
[{'content': 'All are true about Decerebrate posture EXCEPT \nSelect and explain. \nA. Exaggerated gamma motor neuron discharge, B. Reticulospinal tract is involved, C. Extension of both upper and lower extremity, D. Flexion of upper extremity and extension of lower extremity', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ref:- Ganong's Review of Medical Physiology 25th ed; pg num:- 243", 'role': 'assistant'}]