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
Arsenic causes 
Select and explain. 
A. Portal hypertension, B. Cirrhosis, C. Extra hepatic portal vein obstruction, D. Hepatic carcinoma
A: Portal hypertension
Answer: A: Portal hypertension 
Explanation: None