A 10-Year-Old Male Was Climbing on a House and Fell

A 10-year-old male was climbing on a house and fell.He suffered a severe brain injury.His Glasgow Coma Scale (GCS) was 5 initially and 7 after 1 day.He remained unconscious for 2 weeks,then was confused and suffered from anterograde amnesia.Which of the following is he most likely experiencing?

A) Mild diffuse brain injury
B) Moderate diffuse brain injury
C) Severe diffuse brain injury
D) Postconcussive syndrome