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
Which of the following conditions presents with a palpable crepitus? 
Select and explain. 
A. Anaerobic infections, B. Streptococcal infections, C. Surgical emphysema, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: None