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: Anaesthesia
Contraindications of laryngeal mask airway are all except 
Select and explain. 
A. Pregnancy, B. Hiatus hernia, C. Oropharyngeal tumor, D. Difficult airway management
D: Difficult airway management
Answer: D: Difficult airway management 
Explanation: LMA is used when difficult intubation is anticipated.