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: Surgery
CSF otorrhoea is caused by - 
Select and explain. 
A. Fracture of cribriform plate, B. Fracture of parietal bone, C. Fracture of petrous temporal bone, D. Fracture of tympanic membrane
C: Fracture of petrous temporal bone
Answer: C: Fracture of petrous temporal bone 
Explanation: None