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: ENT
Palpatory thud, audible slap is seen in- 
Select and explain. 
A. Tracheal foreign body, B. Bronchial foreign body, C. Laryngeal foreign body, D. None
A: Tracheal foreign body
Answer: A: Tracheal foreign body 
Explanation: None