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: Medicine
Excercise induced asthma is not precipitated by 
Select and explain. 
A. High altitude climb & excercise, B. Cycling in cold weather, C. Swimming in hot water, D. Swimming in cold water
C: Swimming in hot water
Answer: C: Swimming in hot water 
Explanation: None