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: Surgery
Drug induced poal hypeension is seen with ? 
Select and explain. 
A. Vitamin A toxicity, B. Methotrexate, C. Aldomet, D. Valproic acid
A: Vitamin A toxicity
Answer: A: Vitamin A toxicity 
Explanation: Ans. is 'a' i.e., Vitamin A toxicity