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: Medicine
[{'content': 'Which is pathognomic for motor neuron disease - \nSelect and explain. \nA. Fasciculation, B. Bladder, bowel involvement, C. Pseudohypertrophy, D. Sensory loss in patchy manner', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]