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: Surgery
[{'content': 'Which one of the following statement is true of undescended testis - \nSelect and explain. \nA. Usually descends spontaneously at puberty, B. Orchipexy to be done if no descent by puberty, C. Has a higher incidence of malignancy, D. Maintains normal sperm production', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]