This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Which herniation is the one that leads to brain stem injury- 
Select and explain. 
A. Cingulate, B. Hippocampal, C. Sub falcine, D. Cerebellar tonsils
D: Cerebellar tonsils
Answer: D: Cerebellar tonsils 
Explanation: None