This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and paranasal sinuses, Subject name: ENT
Adenocarcinoma of ethmoid sinus occurs commonly in? 
Select and explain. 
A. Fire workers, B. Chimney workers, C. Watch markers, D. Wood workers
D: Wood workers
Answer: D: Wood workers 
Explanation: Workers of the furniture industry( woodworkers) develop a demo carcinoma of the ethmoids and the nasal cavity, while those engaged in nickel refining get squamous cell anaplastic carcinoma. (Ref: Textbook of diseases of ENT, PL Dhingra, 7th edition, pg no. 231)