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
A bilateral mandibular block 
Select and explain. 
A. Is dangerous because patient may swallow tongue, B. Will lead to space infection, C. Is not contraindicated, D. Should rarely be performed
C: Is not contraindicated
Answer: C: Is not contraindicated 
Explanation: None