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: Anatomy
Dislocation of the vertebra is uncommon in thoracic region because in this region - 
Select and explain. 
A. The articular process are interlocked, B. The vertebral body is long, C. Anterior longitudinal ligament is strong, D. Spinous process is long and pointed
A: The articular process are interlocked
Answer: A: The articular process are interlocked 
Explanation: None