Hilary Was Involved in a Shooting That Leaves Her with Traumatic

Hilary was involved in a shooting that leaves her with traumatic brain injury. She spends several weeks in a coma. Afterward, she experienced headaches, disorientation, confusion, and irritability, as well as depression. She is then diagnosed with chronic traumatic encephalopathy. What, if any, aspect of Hilary's case is unusual ?

A) It is unusual for people with a single traumatic brain injury to have a chronic traumatic encephalopathy diagnosis.
B) It is unusual for people with traumatic brain injury to be in a coma for weeks.
C) It is unusual for people with traumatic brain injury to feel depressed.
D) It is unusual for people with traumatic brain injury to experience headaches, disorientation, confusion, and irritability.