You are answering a USMLE-style medical question. Question: A 7-year-old girl is brought to the physician by her mother for a well-child examination. The mother reports that she had her first menstrual period 1 week ago. She has no history of serious illness. Immunizations are up-to-date. Physical examination shows Tanner stage 3 breast development and pubic hair. Without treatment, this patient is at greatest risk for which of the following as an adult? Options: A) Delayed skeletal maturity B) Short stature C) Genu varum D) Coarse facial features Reply with ONLY the letter of the correct answer (A, B, C, or D). No explanation.