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: Pharmacology
All of the following are causes of "lupus", except : 
Select and explain. 
A. Hydralazine, B. Clofibrate, C. Penicillamine, D. Chlorpromazine
B: Clofibrate
Answer: B: Clofibrate 
Explanation: Drugs associated with Lupus Erythematosus.