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': 'Germ tube test is used in the diagnosis of \nSelect and explain. \nA. Candida albicans, B. Cryptococcus, C. Histoplasma, D. Coccidiomycosis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Candida albicans has the ability to form germ tubes within 2hrs when incubated in human serum at 37C. Ref: Textbook of Microbiology, Ananthanarayan and Paniker; 9th edition', 'role': 'assistant'}]