You are answering a USMLE-style medical question. Question: A 44-year-old African-American woman comes to the physician for a routine examination. She is concerned about cancer because her uncle died of metastatic melanoma 1 year ago. She has no history of serious illness and does not take any medication. She has been working in a law firm for the past 20 years and travels to the Carribean regularly with her husband. Examination of her skin shows no abnormal moles or warts. This woman is at greatest risk of which of the following types of melanoma? Options: A) Desmoplastic B) Nodular C) Acral lentiginous D) Superficial spreading Reply with ONLY the letter of the correct answer (A, B, C, or D). No explanation.