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: Pathology
The lung carcinoma most common in non- smokers is - 
Select and explain. 
A. Squamous cell carcin oma, B. Large cell, C. Adenocarcinoma, D. Small cell carcinoma
C: Adenocarcinoma
Answer: C: Adenocarcinoma 
Explanation: "Adenocarcinoma is the most common type of lung cancer in women and nonsmokers".      — Robbin's