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: Anaesthesia
Which local anaesthetic causes vasoconstriction: 
Select and explain. 
A. Cocaine, B. Lidocaine, C. Bupivacaine, D. Procaine
A: Cocaine
Answer: A: Cocaine 
Explanation: A i.e. Cocaine