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: Medicine
In chronic obstructive pulmonary disease all are seen EXCEPT - 
Select and explain. 
A. Low FEV1, B. Increased FEV1 / VC ratio, C. Smoking strongly associated, D. Partially reversible by bronchodilator therapy
B: Increased FEV1 / VC ratio
Answer: B: Increased FEV1 / VC ratio 
Explanation: None