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 36 year old male patient has reported to you with swelling in the submandibular region. His tongue is elevated and he complains of dysphagia. He has high fever. Intra oral examination reveals grossly destructed lower first molar.

The surgical Line of treatment may be 
Select and explain. 
A. Extraction of the involved tooth, B. Incision and drainage, C. Placement of drain, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: None