A 54-year-old woman dies 48 hours after suffering severe head injuries in an automobile accident. Just before her death, her left pupil becomes fixed and dilated. An inferior view of the patient’s...

A 54-year-old woman dies 48 hours after suffering severe head injuries in an automobile accident. Just before her death, her left pupil becomes fixed and dilated. An inferior view of the patient’s brain at autopsy is shown in the image. Which of the following was the most likely cause of death?

(A) Diffuse axonal shearing

(B) Laminar necrosis

(C) Thrombosis of sagittal sinus

(D) Transtentorial herniation

(E) Watershed infarct