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
A diabetic patient presents with fungal infection of sinuses and peri–orbital region with significant visual impairment. The best drug for treatment of this patient is : 
Select and explain. 
A. Amphotericin B, B. Itraconazole, C. Ketoconazole, D. Broad spectrum antibiotics
A: Amphotericin B
Answer: A: Amphotericin B 
Explanation: None