You are answering a USMLE-style medical question. Question: An otherwise healthy 26-year-old man comes to the physician for medication counseling after recently being diagnosed with schizophrenia. Risperidone therapy is initiated. This patient is at increased risk for which of the following adverse effects? Options: A) Agranulocytosis B) Shortened QT interval C) Gynecomastia D) Weight loss Reply with ONLY the letter of the correct answer (A, B, C, or D). No explanation.