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
Multiple painful ulcers on tongue are seen in all except 
Select and explain. 
A. Aphthous ulcers, B. Tuberculous ulcers, C. Herpes ulcers, D. Carcinomatous ulcers
D: Carcinomatous ulcers
Answer: D: Carcinomatous ulcers 
Explanation: Carcinomatous ulcers are painless but may become painful in advanced stages, with extension into surrounding tissues.