This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S., Subject name: Medicine
[{'content': "What does 'phantoguesia' mean? \nSelect and explain. \nA. Decreased sensation of taste, B. Disruption of taste sensation, C. Increased sensation of taste, D. Alternation of taste sensation", 'role': 'user'}, {'content': 'Answer: D \nExplanation: (D) Alternation of taste sensation # Phantoguesia: often metallic or salty taste in the mouth for which no external stimulus can be found', 'role': 'assistant'}]