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
Which of the following drug induces parkinsonism? 
Select and explain. 
A. Chlorpheniramine, B. Chlorpromazine, C. Chloroquine, D. Chlorhexidine
B: Chlorpromazine
Answer: B: Chlorpromazine 
Explanation: None