This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mycology, Subject name: Microbiology
[{'content': 'Most common fungal infection in febrile neutropenia is: \nSelect and explain. \nA. Aspergillus niger, B. Candida, C. Mucormycosis, D. Aspergillus fumigates', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b'* Gram staining, KOH mount.* Oval or spherical gram positive yeast cells with pseudohyphae (buds continues to grow but fails to detach, elongated cells are constricted at septations).", 'role': 'assistant'}]