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
Most common cause of amoebic lung abscess is - 
Select and explain. 
A. Aspiration, B. Direct spread form liver, C. Hematogenous spread from liver, D. Hematogenous spread form gut
B: Direct spread form liver
Answer: B: Direct spread form liver 
Explanation: None