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: Pharmacology
[{'content': 'Regarding the lipid or liposomal formulations of amphotericin B, which of the following statements is accurate ? \nSelect and explain. \nA. They are less expensive to use than conventional amphotericin B, B. They are more effective in fungal infections than conventional preparations because they increase tissue uptake of amphotericin B, C. They may decrease the nephrotoxicity of amphotericin B, D. They have wider spectrum of antifungal activity than conventional formulations of amphotericin B', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]