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 of the are the following contraindication for halothane used: 
Select and explain. 
A. Male sex, B. Middle age, C. Recent halothane use, D. All
C: Recent halothane use
Answer: C: Recent halothane use 
Explanation: C i.e. Recent halothane use