A Child Presents to His Primary Care Provider with Disorientation,delirium,aggressiveness,and

A child presents to his primary care provider with disorientation,delirium,aggressiveness,and stupor.His parents report that he was recently ill with an upper respiratory infection,which they treated with aspirin.Which of the following is the most likely diagnosis?

A) Epilepsy
B) Reye syndrome
C) Tay-Sachs
D) PKU