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
Wood workers are associated sinus Ca 
Select and explain. 
A. Adeno Ca, B. Sq. cell Ca, C. Anaplastic Ca, D. Melanoma
A: Adeno Ca
Answer: A: Adeno Ca 
Explanation: None