男婴，数天前听诊闻及心脏杂音。患儿面颊凸出、朝天鼻、宽嘴厚唇。心脏超声显示主动脉窦管结合部管壁增厚、回声增强。窦管结合部及其远端彩色多普勒显示湍流信号, 频谱多普勒测得该处峰速3.5m/s，压差49mmHg。该患儿最可能的诊断是

• A、Asperger syndrome
• B、William syndrome
• C、Marfan syndrome
• D、Cotard syndrome
• E、Susac Syndrome